erile ophthalmic solution contains 8 % w/v sulfacetamide sodium (E = 0.25) in a 4-mL container. Calculate the milligrams of sodium

Q: Ten pints of a 5% solution are diluted with 30 pints of diluent, what is the percentage strength of…

A: Initial amount = 10 pints  Diluted by 30 pints.  So, final amount = 10+30 = 40 pints.  So, dilution…

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Q: How much diluent is needed to prepare 1L of 2.5 M solution of KCI if the available stock solution is…

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Q: A solution contains 6 umol Na,SO, in 284 ml. How many ppm Na" does it contain? A.W Na-23 S-32 0-16…

A: The question is based on the concepts of solutions. we have been given number of moles of solute. We…

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Q: How many mL of 3% sodium chloride will be needed to complete the following compound? Sodium…

A: In the above isotonic formulation, Sodium bicarbonate =4.2gm,E value=0.65 Water=352ml Sodium…

Q: Determine the distance traveled by the solvent if the solute travels 3.1 cm. The weight of the…

A: Given,Solute travels = 3.1 cmWeight of the analyte = 0.984 mgRf value = 0.647Required,…

Q: A patient is given 2.0mL of a 3% (m/v) solution of C13H18ClNO; how many milligrams of C13H18ClNO did…

A: % (m/v) is defined as  %(m/v) = mass of solute in g X 100 / volume of solution in mL Since volume of…

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Q: Find the molar concentration of 23.5% w/w LiBr solution (Density = 2.05 g/mL)

A: Given :  w/w% = 23.5 %  Density = 2.05 g/ml

Q: What is the Oxygen saturation in water with a salinity of 10,000 mg/L at 15 °C ? Use water density…

A: given : salinity = 10000 mg/L at 15°C density of water = 1000 kg/m3 degree of saturation = dissolved…

Q: 10. How to prepare 40 ml of 25 ppm potassium solution from 0.01 M KNO3 solution? KNO3 : 100 g/mol,…

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Q: 1. What mass (in g) of MnSO4•H2O is needed to prepare 50.0 mL of 350. ppm MnSO4 (d=1.00 g/mL)? (a)…

A: We know that, ppm = (mass of solute/volume of solution)x106

Q: What is the mass in milligrams of salute in: a) 500 mmol of Mg0. b) 2.92 L of 4.76 x 10-3 M H202. c)…

A: Solute : which is dissolved in the solution. Molarity = no. of moles per unit volume   Also, 1 g =…

Q: What is the concentration of AlF63- in 1.00 L of aqueous solution made with 39.1 mmole of Al(NO3)3…

A: Given: Volume of solution = 1.00 L Moles of Al(NO3)3 = 39.1 mmol = 0.0391 mol…

Q: 10.00 mL of 1.10 M  HCl  diluted to 0.450 L

A:

Q: 139.1 mg of NaCl (MM=58.44 g) is dissolved in 373.08 L of water. What is the concentration of Na+…

A: Given that,  Amount of NaCl to be dissolve in water = 139.1 mg  Mass of Na+  in 139.1 g, m = (139.1…

Q: Commercial hydrochloric acid is 12.1 M. What volume of commercial HCI solution should be used to…

A: Given: Concentration of commercial hydrochloric acid(C1)=12.1M Concentration of dilute hydrochloric…

Q: Calculate the quantity of each ingredient needed to prepare 15 mL of the following ophthalmic…

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Q: A student creates a calibration plot for serial dilutions of Cu(NO3)2. A graph of concentration in M…

A: Given : y = 0.345x - 0.11 Mass of solution = 100 grams  To find  :  Grams of Cu ( NO3 )2 Grams of…

Q: How many liters of stock 5% w/v H2O2 (MW 34) are needed to make 300 mL of 450 mM solution?

A: Given data:

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Q: A 15 meter by 12 meter pool of water has a depth of 3.0 meters. What mass of silver ion is present…

A: Parts per million (PPM) is unit of measurement used in expressing very dilute concentration level of…

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Q: 2) Find the normal concentration of a 150 g solution of phosphoric acid (H,PO4) with a density of…

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Q: Concentrated sulfuric acid is 18.0 M. What volume is needed to prepare 1.0 L of 6.0 M sulfuric acid…

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Q: Question attached

A: Given: Weight/Volume Percentage = 3.00 % Volume of the solution = 2.0 mL To find: Amount of the…

Q: What is the molarity of the caffeine solution B? Molecular Weight of Caffeine 1942 grmol A Take 20…

A: Given, Note: 1000 mL = 1 L Solution A Molarity of the solution A = 5 × 10-4 M = 5 × 10-4 mol/L…

Q: Which of the following can be used to measure a very small concentration (much less than 1% m/m)?…

A: Given: Mass percent of solute is much less than 1 % (m/m) (assuming its 0.0001 %). Assuming 100 g of…

Q: 114.7 mg of NaCl (MM=58.44 g) is dissolved in 246.42 L of water. What is the concentration of Na+…

A: A numerical problem based on concept of solutions, which is to be accomplished.

Q: How many grams of manganese acetate tetrahydrate, Mn(C2H4O2)2 x 4H2O, do you need to prepare 2…

A: Given information: Concentration of solution in ppm = 1000 ppm Volume of solution = 2 L

Q: A river pollutant is found to have a concentration of 0.0031 % m/v. If the density of the river…

A: Given  %(m/v) = 0.0031 %  density of solution = 1.183 gram/mL  Concentration of the pollutant in ppm…

Q: The volume of concentrated H2S04 needed to prepare 250 ml of 0.1N H2SO4 solution. [sp.gr=1.84, %=32]…

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Q: A 10.00 mL aliquot of 0.0120 M solution is diluted to 250.00 mL in a volumetric flask. What is the…

A: Volume of the solution = 10.00 mL = 0.01 LMolarity of solution = 0.0120 M

Q: What is the hardness in water in ppm if there is 500g of CaCO3 in 1 x 10^3mL of water?

A: amount of CaCO3=500g volume of water=1×103 ml Mass of water =density of water ×volume

Q: What is the final concentration if 100 mL of a 20% w/v solution is diluted to 250 mL with water?…

A: Correct answer is (A) 8% w/v. Amount of solute remains constant during dilution. So, mass of solute…

Q: How would you use a 500.0 mL volumetric flask to prepare a 7.5% (v/v2) solution of acetic acid in…

A: Volumetric flasks are used to prepare stock solutions of analytical grade. To prepare a solution…

Q: If I take 13.23 grams of tri-sodium phosphate and dissolve it in 500mL, then subsequently tåke 50 ml…

A: One mole of tri-sodium phosphate contains three moles of sodium ions. Steps to be followed (i)…

Q: 7. If a certain hydrogen peroxide solution is 20- volume hydrogen peroxide, it contains: 1. 3%…

A: Volume strength of hydrogen peroxide is defined as the volume of oxygen liberated from unit quantity…

Q: What volume of a 2.00 M KCl solution is required to prepare 500 mL of a 0.100 M KCl solution? Group…

A: Given :  Molarity of KCl solution = 2.00 M = M1 Preparation of new solution: Volume to be prepared =…

Q: A student needs 25.0 mL of 7.18x10 4 M FD&C Blue Dye No. 2 solution. If the student has 2.00 mM FD&C…

A: We will solve this question using molarity equation.

Q: Identify and explain the mistakes made in the following laboratory protocols:  A 10.00 mM solution…

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Q: How many mL of 0.625 M KBr are needed to prepare 2. O 200. mL O 0.0200 mL O 313 mL O 31.3 mL

A: The molarity is determined as the moles of solute upon volume of solution in liters. The molarity of…

Q: A 0.800 M HCl was diluted to a final volume of 500. mL . If the new concentration is 0.20M . What…

A: Given that, a 0.800 M HCl was diluted to a final volume of 500 mL.  The concentration after dilution…

Q: Estimate the concentration when 40 mL of 6.0 M MgSO4 is diluted to 100 mL?

A: Given data:  Volume of MgSO4 = 40mL Molarity of MgSO4 = 6 M Diluted volume = 100 mL

Q: How many milliliters of water should be added to 3.3 mL of 18.2 MH 2SO4 in order to prepare 0.10 M…

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

Q: a. How many grams of NaCl would you need to weigh out to make up 150 ml of a solution? b. You will…

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