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: 109


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Work Step by Step

a) $pH=-log(0.105)=0.979$ b) $[H_3O^+]=10^{-2.56}=2.75\ mmol$, acidic c) $[H_3O^+]=10^{-9.67}=2.14\times10^{-10}\ mol$, basic d)$[H_3O^+]=(10.0\ mL\times2.56\ M)/250.\ mL=0.102\ M$ $pH=-log(0.102)=0.990$
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