ariavu7929 ariavu7929

10-03-2020
Chemistry

contestada

What mass of NaCN must be added to create 250.0 mL of a buffer solution with a pH = 9.00 and an HCN concentration of 0.100 M? The pKa of hydrocyanic acid is 9.31.

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adefunkeadewole adefunkeadewole

14-03-2020

Answer:

0.72grams

Explanation:

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