Multiple Choice
Calculate the hydronium ion concentration in an aqueous solution with a pH of 9.85 at 25 °C.
A) 7.1 × 10-5 mol L-1
B) 4.2 × 10-10 mol L-1
C) 8.7 × 10-10 mol L-1
D) 6.5 × 10-5 mol L-1
E) 1.4 × 10-10 mol L-1
Correct Answer:

Verified
Correct Answer:
Verified
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