How we determine the concentration of unknown solution by using colorimeter.

Q: Ethanol and potassium permanganate titration and equation

A: Volumetric titration is a type of quantitative analysis in which the concentration of unknown…

Q: pH of the solution that results when 20.0 mL of 0.175 45.0 mL with distilled water.

A: Givrn, Ka(Formic acid) = 3.74 M1 = 0.1750 M Volume (V1) = 20.0 mL V2 = 45.0 mL Using dilution law,…

Q: Briefly summarize how the behavior of the buffer solution compares to the behavior of an unbuffered…

A: Buffer solution is defined as an aqueous solution of weak acid with strong conjugate base . CH3COOH…

Q: (A) if both sentences are true, (B) if both sentences are false, (C) if the first sentence is true…

A: 1. (C)  the first sentence is true but the second is false 2. (B)  both sentences are false, 3. (A)…

Q: Draw a titration curve for lysine. What would be the overall charge of lysine at the end, beginning,…

A: The question is based on the concept of biomolecules. we have to draw titration curve of lysine and…

Q: How do solutions change color throughout the titration process?

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Q: Why you should not start a titration with zero mL as an initial volume?

A: A quantitative analysis where the amount of substance is calculated present in the sample by…

Q: Solubility (State whether soluble or insoluble and/or if bubbling was observed)

A: The solubility of the given acids in the solvents are as follows.

Q: uring the "salting-out" process in an extraction procedure, the replaces the in the

A: During Salting out procedure we use certain salts like magnisium chloride etc which help in…

Q: everything I need to know about Chemical equilibrium and common ion effect without calculations

A: Equilibrium is a state of a system and is defined for chemical change ,physical change or…

Q: Based on the graph, what is the pKa of vinegar?

A: The dissociation of an acid (HA) is shown below. The expression for dissociation constant (Ka) is…

Q: . What is the EF and MF of the compound is

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Q: Buffer solution full summary without calculations

A: Buffer Solution is a solution which consists of a mixture containing a weak acid and the conjugate…

Q: Lin acidic medium Phenolphthalein Indicator is in basic medium: and__. Select one: a. Colorless/…

A:

Q: In a complexometric titration experiment: Determination of Water Hardness, solve for the missing…

A: Each mole of Ca2+ reacts with 1 mol of EDTA. Also, Moles =  Mass / Molar Mass

Q: 07/03 mi of a specific scution of concertation M02 was added to it an amount of water whore volume…

A:

Q: rature increases the ure increases the solubility. oward maximum randomness de- у.

A: For solid substance, Increasing the temperature more and more solid substance intract more with the…

Q: statement that correctly describes the hydronium-hydroxide balance?

A: Given : We have to explain statement that correctly describes the hydronium-hydroxide balance.

Q: In a brief explanation, explain how you could analyze HCO3 - in a particular solution by using the…

A: The volatilization method is a type of gravimetric analysis for the quantitative determination of…

Q: What other factors do you need to consider when assessing feasibility of titration?

A: The factors are :-  i) Titration reactions mixture must be rapid. ii) Reaction mixture must be…

Q: If 35.0 mL of a 0.100 N acid solution is needed to reach the end point in titration of 21.5 mL of a…

A: Given, Normality of acid solution (N1) = 0.100 N Volume of acid (V1) = 35.0 mL Volume of base…

Q: The acid with medium strength is:

A: Strength of acid is determined on the basis of H+ ion furnished by the species. More the H+ ion…

Q: at is the type of

A: Since you have posted multiple questions as per guidelines we can can answer only one per session .…

Q: Define the term. Titration Error:

A: Titration error can be defined as the significant difference between the equivalence point and the…

Q: Water sample from different river water was subjected to a qualitative alkaline analysis by…

A: To determine the solutes present in the given water samples and the molar concentration of the…

Q: the 'salting-out" process in an extraction procedure, the replaces the in the water.

A: In Salting out process of extraction when salt such as magnisium chloride or calcium chloride is…

Q: Which one is more difficult to monitor phenolpthalein endpoint in titrating acidic sample or the…

A: An indicator is defined as a compound which is added mostly in qualitative analysis which helps in…

Q: red cabbage solution

A: In this question we have to explain that how can exercise affect the required time for the red…

Q: 31. Select the BEST statement regarding a buffer solution from the following. *

A: Buffer solutions:  Buffer solution is actually a mixture of weak acid and its salt with strong base…

Q: 1- Analytical chemistry it is used to determination of a and of mount. 2- Gravimetric analysis have…

A: As per our guidelines we are suppose to answer 3 questions. Please repost for the remaining answers…

Q: What is the effect of total concentration of the buffer components on its buffering capacity? What…

A: What is the effect of total concentration of the buffer components on its buffering capacity?…

Q: oduction about R

A: In redox titration oxidation and reduction occurs simultaneously in a single reaction.most…

Q: Full summary of the topic chemical equilibrium and common ion effect without calculations

A: Chemical equilibrium : A reaction is in chemical equilibrium when the rate of the forward reaction…

Q: A titration of 25.00 mL of an unknown HCl solution with 0.1550 M NaOH requires 24.00 mL of NaOH to…

A:

Q: At which codition is an exact amount of acid used to titrate a certain amount of base achieved?…

A: We know that,  Acid can titrate with base to neutralise the solution to find equivalent point.

Q: Calculate the initial concentrations for all the solutions. The concentration of stock solutions are…

A: Concentrations of all solutions can be calculated using dilution law…

Q: The initially red color has faded in the course of the reaction. Briefly explain why did the color…

A: Bromination of alkene .

Q: Find its solution.

A: Note: Since  you have posted question with multiple parts, we will solve only first three part for…

Q: C. Q.0.30M hydrofluoric acid acid 2 A 200 ml of 0.05 F nydrogen sufide solution is added to 25 ml…

A: Total volume of the solution after mixing both the acid, Vt = 200 mL + 25 mL = 225 mL Volume of H2S…

Q: Explain how you would separate benzoic acid from NaCl in aqueous solution. Include relevant…

A: Benzoic acid is a common preservative, while NaCl is salt. The mixture of these components can be…

Q: When taking a measurement with a pH meter, keep the instrument in the  Choose...storage solution or…

A: pH meter is an instrument used to experimentally determine the pH of the solutions.

Q: a. Calculate for the concentrations of the five standard solutions

A: A question based on concentration terms that is to be accomplished.

Q: Thoroughly explain the titration curve of the graph.

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Q: How do you compute for the buffer capacity? Buffer range?

A:

Q: What is the pH of the solution after mixing 0.114 g of Mg(OH), (MW=58.321 g/mol) with 16.5 mL of…

A: We have to predict the pH of resulting solution.

Q: - Compute the poH of the buffer solution.

A: We know,                       [H+] ×[0H-] = 10-14                   Or, log ( [H+] ×[OH-] ) =log…