What is the hydroxide ion concentration in an aqueous solution when the hydronium ion concentration equals 1 × 10-10 moles per liter?
A. The concentration of hydroxide ions is 1 × 10-2 moles per liter.
B. The concentration of hydroxide ions is 1 × 10-4 moles per liter.
C. The concentration of hydroxide ions is 1 × 10-10 moles per liter.
D. The concentration of hydroxide ions is 1 × 10-6 moles per liter.
Answer: B
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