(A) A particular solution of NaOH is supposed to be approximately 0.100 M. To determine the exact...

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(A) A particular solution of NaOH is supposed to be approximately 0.100 M. To determine the exact molarity of the NaOH(aq), a 0.5000 g sample of KHC8H4O4 is dissolved in water and titrated with 24.03 mL of the NaOH(aq). What is the actual molarity of the NaOH(aq)?

HC8H4O4-(aq) + OH-(aq) → C8H4O42-(aq) + H2O(l)

(B) A 0.235 g sample of a solid that is 92.5% NaOH and 7.5% Ca(OH)2, by mass, requires 45.6 mL of a HCl(aq) solution for its titration. What is the molarity of the HCl(aq)?

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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