b. Calculate the molar concentration of the malonic acid if 38.17 mL of 0.315 M potassium hy-Calculate the mass percent concentration of malonic acid using the molar concentration cal-droxide was required to neutralize 25.0 mL of malonic acid to a phenolphthalein end point.с.culated in part b and assuming the density of the solution is 1.01 g/ml.lo baCitric acid (abbreviated H,Cit) is a triprotic acid, so 3 moles of hydroxide ions are required permole of citric acid for complete neutralization.Write the balanced chemical equation for the reaction of citric acid with sodium hydroxide.(Note that citrate ion is actually a polyatomic ion with carbon, hydrogen, and oxygen atomsand an overall charge of -3. For now, express citrate ion as Cit.)a.elebooald sh wh Jf 36.10 mL of 0.223 M NaOH is used to neutralize a 0.515 g sample of citric acid, what is themolar mass of the acid?

The equation to calculate the unknown from known values is given by, M1V1=M2V2 where M is the…

Answered: droxide was required to neutralize 25.0…

droxide was required to neutralize 25.0 mL of malonic acid to a phenolphthalein end point. Calculate the molar concentration of the malonic acid if 38.17 mL of 0.315 M potassium hy-

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter16: Reactions Between Acids And Bases

Section: Chapter Questions

Problem 16.102QE

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

b. Calculate the molar concentration of the malonic acid if 38.17 mL of 0.315 M potassium hy-
Calculate the mass percent concentration of malonic acid using the molar concentration cal-
droxide was required to neutralize 25.0 mL of malonic acid to a phenolphthalein end point.
с.
culated in part b and assuming the density of the solution is 1.01 g/ml.
lo ba
Citric acid (abbreviated H,Cit) is a triprotic acid, so 3 moles of hydroxide ions are required per
mole of citric acid for complete neutralization.
Write the balanced chemical equation for the reaction of citric acid with sodium hydroxide.
(Note that citrate ion is actually a polyatomic ion with carbon, hydrogen, and oxygen atoms
and an overall charge of -3. For now, express citrate ion as Cit.)
a.
ele
booald sh w
h Jf 36.10 mL of 0.223 M NaOH is used to neutralize a 0.515 g sample of citric acid, what is the
molar mass of the acid?

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