Of is added to of solution

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

50 mL50\,\text{mL} of 0.1 M0.1\,\text{M} NaOH\text{NaOH} is added to 60 mL60\,\text{mL} of 0.15 M0.15\,\text{M} H3PO4\text{H}_3\text{PO}_4 solution. For H3PO4\text{H}_3\text{PO}_4, K1=10−3K_1=10^{-3}, K2=10−8K_2=10^{-8}, and K3=10−13K_3=10^{-13}. The pH of the mixture is about (log⁡2=0.3)(\log2=0.3).

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