Calculate the Hydronium Ion Concentration in an Aqueous Solution with a PH

question 42

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

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The result obtained when one quantity is subtracted from another.

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