Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions - Page 179i: 112



Work Step by Step

Concentration of the acid: $[H_3O^+]=10^{-1.92}=0.012\ M$ Number of moles of hydronium remaining after the neutralization: $0.25\ L\times 0.012\ M-0.0105\ M\times 0.250\ L=0.375\ mmol$ Concentration: $0.375\ mmol/500\ mL=0.75\ mM$ pH: $-log(0.00075)=3.13$
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