Question

At 25ºC a solution has a hydroxide-ion concentration of 4.94 x 10-5M. What is its hydronium-ion concentration?
A) 4.94 x 10-19M
B) 1.00 x 10-7M
C) 1.00 x 10-14M
D) 4.94 x 10-5M
E) 2.02 x 10-10M

Answer

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