Explain what is the hydronium-ion concentration

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Reference no: EM13228234

What is the hydronium-ion concentration of a 0.40 M solution of HCN (Ka= 4.9×10-10) at 25° C?

A. 2.0×10-4 M

B. 3.6×10-6 M

C. 2.4×10-6M

D. 1.4×10-5 M

E. 3.5×10-5 M

Reference no: EM13228234

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