A solution was prepared by mixing 12.49 mg of B plus 10.00 mL of unknown containing A and just diluting to 25.00 mL. Peak areas of 5.97 and 6.38 were observed for A and B, respectively. Find the concentration of A (mg/L) in the unknown. . A known mixture of compounds A and B gave the followingHPLC results:Concentration(mg/mL inmixture)Peak areaCompound(arbitrary units)A1.0310.86B1.164.37A solution was prepared by mixing 12.49 mg of B plus 10.00 mL ofunknown containing just A and diluting to 25.00 mL. Peak areas of5.97 and 6.38 were observed for A and B, respectively. Find theconcentration of A (mg/mL) in the unknown.

Given: Volume of the solution=25 mL Observed peak area for A=5.97 Observed peak area for B=6.38

A solution was prepared by mixing 12.49 mg of B plus 10.00 mL of unknown containing A and just diluting to 25.00 mL. Peak areas of 5.97 and 6.38 were observed for A and B, respectively. Find the concentration of A (mg/L) in the unknown.

A solution was prepared by mixing 12.49 mg of B plus 10.00 mL of unknown containing A and just diluting to 25.00 mL. Peak areas of 5.97 and 6.38 were observed for A and B, respectively. Find the concentration of A (mg/L) in the unknown.

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter3: Statistical Tests With Excel

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: 1. Find the number of millimoles of solute in a. 226 mL of 0.320 M HC104. b. 25.0 L of 8.05 x 10-3 M…

Q: What type of samples can be analyzed using AAS?

A: **Since you have asked multiple questions, we will solve the first one for you. If you want any…

Q: In the ternary phase diagram experiment acetic acid (7.6 mL) and water (1.4 mL) mixture is titrated…

Q: Addition of 50.00 mL of 2.238 m H2SO4 (solution density = 1.1243 g/mL) to 50.00 mL of 2.238 M BaCl2…

Q: In the lab, Annie mixed 2.5 g of the benzoic acid with 10.00mL of 1.000M NaOH and diluted to 100mL.…

A: The reaction of an acid with a base will result in the formation of salt and water. For example, the…

Q: Does any solid Cu(OH)2 form when 0.075 g of KOH is dissolved in 1.0 L of 1.0×10-3 M Cu(NO3)2? (The…

A: A question based on Ksp, which is to be accomplished.

Q: A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of…

A: Reaction taking place: Na2CO3 + 2AgNO3 →→ Ag2CO3 + 2NaNO3 Reaction of KSCN with excess AgNO3: AgNO3…

Q: (ii) 21 mL of standard hard water containing 14 g of CaCO, per litre required 25 mL EDTA solution…

A: The water is that is used for various applications is obtained from various sources such as lakes,…

Q: 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a sintered glass…

A: 1) Barium sulphate is a white color precipitate , it is ionic in nature . when barium chloride is…

Q: Calculate: A) the average molarity of the base. B) the standard deviation of the molarity and the…

A: Reaction between KHP and NaOH NaOH + HOOC-C6H4-COOK -------------> NaOOC-C6H4-COOK + H2O One…

Q: An analyte has an Rf value of 0. 75 What does that indicate about the solubility of the analyte in…

A: Chromatography is a technique of separation Here we are required to indicate the solubility of the…

Q: A sample is analyzed for chloride by the Volhard method. From the following data, calculate the…

A: Calculation of no. of mol of KSCN: n=Molarity×Volume=0.0930 mol/L×13.20×10-3 L=1.2276×10-3 mol…

Q: 50.0 mL of 0.200 M X is treated by extraction with the following quantities of n-hexane? (i) one…

A: The question is based on the concept of solvent extraction. we have to calculate amount of solute…

Q: What weight of the soda ash (impure Na2CO3) should be taken for analysis in order that the number of…

A: 1 mol Na2CO3 (or CO3 2-(aq)) reacts with 2 moles of acid H+(aq). The balanced equation is: CO3…

Q: e redox titration experiment, Standardization of Na2S2O3 with KIO3 standard solution, what can be…

A: In inorganic laboratories, redox titrations are carried out to find out the concentrations of…

Q: The distribution constant for iodine between an organic solvent and water is 75. Find the…

A: Given the distribution constant, KD = 75 Volume of aqueous layer(water), Vaq = 100 mL molarity of…

Q: . A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide solution.…

A: GIVEN- Mass of lanolin sample(W)=1.2g Normality of sodium thiosulfate solution=0.1N Volume of…

Q: 30.0 mL of 0.400 M Zn²⁺ is mixed with 100.0 mL of 0.200 M F⁻ (Ksp ZnF₂ = 0.030). In the mixture you…

A: In the given question we have to observe the reaction upon mixing of Zn2+ and F- . First of all, we…

Q: You are to make 300mL of 20mM EDTA buffer (C10H16N2O8) solution from powder. How much EDTA powder…

A: We need to make 300mL of 20mM EDTA buffer (C10H16N2O8) solution Number of moles of solution…

Q: An analyte solution was prepared using 1.1278 g of a diprotic acid and 25.0 mL of distilled water. A…

Q: The following steps were used to determine the concentration of acetic acid in vinegar. 1. Sodium…

Q: 10 CCh and diluting to 150.0 mL. a Calculate moles of Na", Ca³" and Cl- in the solution b. Using…

A: a.) To calculate moles of each ion, we would first Calculate moles of NaCl and CaCl2 solution . Then…

Q: What is the minimum distribution constant that permits removal of 99% of a solute from 50.0 mL of…

A: Solution - According to the question - Given - It is given that 99% of given solute is removed from…

Q: An unknown sample containing moved alkal (NaOH, NaHCO or Na CO) was analyzed using the double flask…

Q: In the conductivity test, _____________________ is going to result to a brightly lit light bulb. a.…

A: The substances which dissociate into ions (cations and anions) when they dissolve in polar solvent…

Q: A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of…

A: Answer: This question is based on stoichiometric calculation where we have convert the moles of…

Q: If the value of the blank solution is equal to 7.0 g/cm3 while the salt concentration is 9.7 g/cm3.…

A: The Seta Salt in Crude Analyzer is a robust and portable instrument for determining the chloride…

Q: -us solutions of 150.0 mL 0.30 M BaCl2 and 15 -answer.

Q: The pNa of a mixture prepared by mixing 50 ml of 0.00063 M of NaCl and 300 ml of 0.00040 M in NagPO4…

A: Given, Molarity of NaCl = 0.00063 M Volume of NaCl = 50 mL = 0.050 L Molarity of Na3PO4 = 0.00040…

Q: Order the following in terms of concentration, with 1 being the least concentrated and 4 being the…

A: Molarity can be defined as the number of moles of solute present per unit of volume.…

Q: A 0.2 g sample of NazC204 consumed 30.92 mL of KMNO4 to reach the faint pink endpoint in the…

Q: How to prepare these solutions? 250.0 mL 0.125 M stock Na2S2O3 solution from Na2S2O3·5H2O crystals…

Q: CaCl2 and diluting to 150.0 mL. a. Calculate moles of Na", Ca2* and Cl- in the solution b. Using…

Q: A pain reliever is soluble in cold water to the extent of 1.0g/1310 mL and soluble in diethylether…

A: Formula : Distribution coefficient= (solubility in organic) ÷ (solubility in aqueous) Moles of H2O =…

Q: In how much volume of diluted sulfuric acid should you dissolve a multivitamin tablet of…

A: Given, Volume of KIO3 = 25.0 mL = 0.025 L Molarity of KIO3 = 0.01M Volume of thiosulfate = 10 mL =…

Q: standard solutions (mg/L, n = 5) are converted to azo dye and the slope of the calibration curve is…

A: According to Lambert Beer law, the absorbance of a solution is proportional to its concentration and…

Q: 1. A silver nitrate solution contains 14.77 g of primary standard AgNO3 in 1.00 L. What volume of…

Q: Given the following ground-water analysis at 25°C: Ca?+ 83.27 mg/L Mg?+ 24.32 mg/L Na+ K* So?- 23.45…

A: In the given question, we have to calculate the molal concentration, ionic strength and activity…

Q: The pNa of a mixture prepared by mixing 200 ml of 0.00063 Mof NaCl and 300 ml of 0.00040 M in Na3PO4…

A: Molarity is one of the concentration term which is used to define the concentration of a solute in a…

Q: 1. What must be the normality of silver nitrate solution so that each ml is equivalent to 6mg of…

A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…

Q: The distribution coefficient between methylene chloride and water for solute Y is 15. An amount of…

A: Distribution coefficient simply denotes how a compound is distributed in a mixture of two immiscible…

Q: What is the minimum number of changes of 500 mL dialysate required to reduce a 100 mL sample at 1M…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Astudent wants to prepare a standard iodine solution. Which of the following procedures would not be…

A: The solution of potassium iodide with iodine in water is known as iodine solution.

Q: Upon adding 400 mL of 1.0 M HI to 400 mL of 1.0 M C5H5N

A: This is the acid base reaction .

Q: a. Fe(llI) between an organic solvent and aqueous solvent has a distribution coefficient of 60.…

A: a. Distribution coefficient can be expressed as: KD=Amount of Fe(III) in organic solventAmount of…

Q: Mass solute needed to prepare 0.500L of 0.2 M NaCO3 from a solid NaCO3 with a purity of 92.0wt%

A: The total mass needed to prepare 0.500 L of 0.2 M NaCO3 is calculated as shown in equation (1) where…

Q: A Sodium Chloride (0.1920g) NaCl was assayed using volhard Method, using 52mL of 0.0975N AGNO3 and…

A: Given that - Mass of NaCl = 0.1920 g Normality of AgNO3 = 0.0975 N Volume of AgNO3 = 52 mL…

Q: Write the mass balance for Mg2 for 0.20 M MgBr2.

A: One mole of Magnesium bromide forms one mole of magnesium ions and two moles of bromide ions.

Q: Identification Complete each statement. Write your answer at the end of each question. 92. To…

Question

. A known mixture of compounds A and B gave the following
HPLC results:
Concentration
(mg/mL in
mixture)
Peak area
Compound
(arbitrary units)
A
1.03
10.86
B
1.16
4.37
A solution was prepared by mixing 12.49 mg of B plus 10.00 mL of
unknown containing just A and diluting to 25.00 mL. Peak areas of
5.97 and 6.38 were observed for A and B, respectively. Find the
concentration of A (mg/mL) in the unknown.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Sample Preparation in Analytical Chemistry

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Density of solution:Trial 1: 1.2 g/mLTrial 2: 1.2 g/mLTrial 3: 1.2 g/mL Average density = 1.2 g/mL What is the relative average deviaion, %?
6.3017g sample was weighted Analytically and made up volumetrically to 500mL. A 25mL alliqout of this solution required a total valume of 41.32mL of 0.0987MHCl to reach bromocresol green endpoint Another 25ml alligout of this salution was treated with 25mL of 0.1014M NaOH react with excess of BaCl₂ solution und left over NaOH required 21.83mL of 0.0987MHCl to reach the phenolpthelin end point. Determine the percentage of Na₂CO3 and. NaHCO3
The following set of chloride on seperate all quots Of a pette pooled Serum obtaned from SMu chemistry lab here reporterd by (43) students : (03:106; (07 and 114 meqlL. analysis One value qppears suspect. Help these Students to determine if it can be ascribed to the acudental 95% Confidence level. error ot
What is the minimum distribution coefficient that permits removal of 99% of a solute from 50.0 mL of water with a two 50.0-mL extractions with toluene? Distribution coefficient = = b five 45.0-mL extractions with toluene? Distribution coefficient =
A Sodium Chloride (0.1920g) NaCI was assayed using volhard Method, using 52mL of 0.0975N AGNO3 and 12.3 mL of 0.1192Ammonium thioscyanate. Calculate the sample in %.
SALT SOLUTION: Trial 1: Volume: 25 mLMass of 25mL solution: 29.824 gDensity: 1.2 g/mL Trial 2:Volume: 25 mLMass of 25 mL solution: 29.855 gDensity: 1.2 g/mL Trial 3:Volume: 25 mLMass of 25 mL solution: 29.816 gDensity: 1.2 g/mL METAL BAR: Method I - Trial 1:Mass of metal bar: 57.063 gVolume of metal bar: 6.7 cm^3Density of bar: 8.5 g/cm^3 Trial 2:Mass of metal bar: 57.063 gVolume of metal bar: 6.0 cm^3Density of bar: 9.5 g/cm^3 Trial 3:Mass of metal bar: 57.063 gVolume of metal bar: 6.0 cm^3Density of bar: 9.5 g/cm^3 Method 2 - Trial 1:Dimensions: diameter = 1.20 cm, height = 4.91 cmMass of metal bar: 57.063 gVolume of metal bar: 5.55 cm^3Density of bar: 10.3 g/cm^3 Trial 2:Dimensions: diameter = 1.20 cm, height = 4.95 cmMass of metal bar: 57.063 gVolume of metal bar: 5.60 cm^3Density of bar: 10.2 g/cm^3 Trial 3:Dimensions: diameter = 1.20 cm, height = 4.95 cmMass of metal bar: 57.063 gVolume of metal bar: 5.60 cm^3Density of bar: 10.2 g/cm^3 QUESTION - From your data, calculate the…
Precipitimetry The chloride in a 4.321-g food sample was precipitated through the addition of 50.00 mL of a standard AgNO3 solution (10.00 mL AgNO3 = 11.22 mL KSCN). The precipitate was coated with nitrobenzene and the mixture was diluted to 250.0 mL. A 50.00 mL aliquot was taken from the diluted solution and required 4.56 mL back titration with a %3D standard KSCN solution (22.33 mL KSCN = 0.9758 g AgNO3). %3D Formula Masses: AgNO3 = 169.87; CI = 35.45 Calculate the following: 1. Molar concentration of KSCN solution M %3D 2. Molar concentration of AgNO3 solution M %3D 3. % (w/w) chloride in the original sample =
(72 l l ..:01:EP is متعد د الخيارات What weight is needed to prepare solution of 0.15 N from Na2CO3 in 300 ml of distilled water. Na = 23, C = 12, 0 = 16 %3D 2.385g 3.285g 5.82ml 2.385ml
Calculate the mass percent of the ascorbic acid in the same show full solution Situation: The pounded Vitamin C tablet was half into two below are the calculated data in the experiment. Each of the half are transfered in a 250ml erlen meyer flask and added 75ml of deionized water for the vitamin C to dissolve. Then it was prepared for titration where the burette was filled with 0.09794M standardize NaOH solution then a total of with 3 drops 2% phenolphthalein indicator was added to each erlen meyer flask l, swrill it and begin the titration. below are the following data gathered: Vitamins used: Nature Made vitamin C 500mg tablet Trial 1 Mass: 0.3108g of Vitamin C tablet Initial volume: 1.6mL Final volume: 15.4mL Trial 2 Mass: 0.3349g Initial volume: 15.4 mL Final volume: 30.2 mL
C. Electrolytes in Body Fluids 1. Type of IV Solution 5% Isolute P (mEa/L) Plasnalyte (mEg/L) Lactated Ringer's (mEg/L) Nal+ = 130 Klt = 4 Ca2+ = 3 Nal+ = 25 K+ = 20 Nal+ = 140 Kl+ = 5 2. Cations %3D %3D Mg+ = 3 Mg2+ = 3 CI- = 22 HPO- =3 Acl- = 23 CI- = 98 Glu'-= 23 Acl- = 27 3. Anions CI'- = 109 %3D HPO = 28 %3D %3D 4. Total Charge of Cations (+) 137 137 5. Total Charge of Anions (-) 6. Sum of the Charges Copyright 2014 Pearson Education, Inc.
Which of the following is the gravimetric factor formula for the following pair of substances? FW stands for formula weight. Choices are attached below. Sought-for Constituent Substance Weighed ZnO Zn2P2O7
Q3/ A) 0.63 g of a sample containing Na CO,, NaHCO; and inert impurities is titrated with 0.2 M HCI, requiring 17.2 ml. to reach the phenolphthalein end point and a total of 43.5 mL to reach the modified methyl orange end point, How many grams Na CO, and NaHCO, are in the mixture?