Chemistry, 26.04.2021 05:10 emmina

> What is the pH of a butter system that contains 0.200 M hydrocyanic acid (HCN) and 0.210 M sodium cyanide (NaCN)? The pKof hydrocyanic acid is 9.31.
Express your answer using two decimal places.
IVO AO
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> What is the pH of a butter system that contains 0.200 M hydrocyanic acid (HCN) and 0.210 M so...