The Ka of hydrocyanic acid, HCN, is 5.0×10–10. What is the pH of 0.050 M HCN(aq)? — Acids and Bases Chemistry Question
Question
The Ka of hydrocyanic acid, HCN, is 5.0×10–10. What is the pH of 0.050 M HCN(aq)?
A.
between 3.5 and 4.5
B.✓ Correct
between 5.0 and 5.5
C.
between 9.0 and 9.5
D.
between 10.5 and 11.0
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