Problem: What is the H+ ion concentration in a 2.1 x 10 -4 M Ca(OH)2 solution? A) 7.3 x 10-4 M B) 1.4 x 10-3 M C) 2.1 x 10-4 M D) 2.4 x 10-11 M E) 4.8 x 10-11 M

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Problem Details

What is the H+ ion concentration in a 2.1 x 10 -4 M Ca(OH)2 solution?

A) 7.3 x 10-4 M

B) 1.4 x 10-3 M

C) 2.1 x 10-4 M

D) 2.4 x 10-11 M

E) 4.8 x 10-11 M

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