The pH of 0.255 M HCN is 4.95.What is the value of K_a for hydrocyanic acid? A)1.3 × 10^-10 B)4.9 × 10^-10 C)1.1 × 10^-5 D)4.4 × 10^-5

Name: The pH of 0.255 M HCN is 4.95.What is the value of K a for hydrocyanic acid? A)1.3 × 10 -10 B)4.9 × 10 -10 C)1.1 × 10 -5 D)4.4 × 10 -5
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The Answer of The pH of 0.255 M HCN is 4.95.What is the value of K_a for hydrocyanic acid? A)1.3 × 10^-10 B)4.9 × 10^-10 C)1.1 × 10^-5 D)4.4 × 10^-5

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