Calculate the [H⁺] in a 0 $\times$ 10^-10 $\times$ 10^-7 M
B)6 $\times$

question 33

Multiple Choice

Calculate the [H⁺] in a 0.068 M solution of HCN,K_a = 6.2 $\times$ 10^-10.

• A)1.0 \(\times\)10^-7 M
• B)6.5 \(\times\) 10^-6 M
• C)4.2 \(\times\)10^-11 M
• D)1.3 \(\times\) 10^-5 M
• E)none of these

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