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Calculate the pH of a 0.021 M NaCN solution. Given Ka(HCN) =4.9x10-10. A. 1.68 B. 3.18 C. 5.49 D. 7.00 E. 10.82 Will rate lifesaver

Calculate the pH of a 0.021 M NaCN solution. Given Ka(HCN) =4.9x10-10.


A. 1.68
B. 3.18
C. 5.49
D. 7.00
E. 10.82

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