# Important information about Molarity of solution

1. Calculate the molarity of the following solutions from this acid-base titration data:

a. If 250 ml of Ba(OH)2 of unknown concentration with a methyl red indicator present is
titrated with [0.325 M] HNO3, the yellow solution turns red after 36.4 ml of the HNO3
is added. What is the molarity of the Ba(OH)2 solution?

b. If 150 ml of HNO3 of unknown concentration with a methyl orange indicator present
is titrated with [0.163 M] KOH, the red solution turns yellow after 28.9 ml of the
KOH is added. What is the molarity of the HNO3 solution?

Solution Summary

The solution shows how to find the molarity of the solution from the acid-base titration.

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Yanfang Li, PhD

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Active since 2006

BS, Tianjin University, China
MS, Tianjin University, China
PhD, University of Toledo

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