Chemistry

Chemistry

Problem

A student titrates 25.0 mL of 0.100 M monoprotic weak acid HA ( Ka=1.8×10−5K_a = 1.8 \times 10^{-5} ) with 0.100 M NaOH. What is the pH of the solution exactly at the equivalence point? a) 8.878.87 b) 7.007.00 c) 9.379.37 d) 8.728.72

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