Multiple Choice
Calculate the hydronium ion concentration in an aqueous solution that contains 2.50 × 10-4 M in hydroxide ion.
A) 4.00 × 10-9 M
B) 4.00 × 10-10 M
C) 4.00 × 10-11 M
D) 5.00 × 10-11 M
Correct Answer:

Verified
Correct Answer:
Verified
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