Assume That Acid Rain Has Lowered the PH of a Particular

question 5

Multiple Choice

Assume that acid rain has lowered the pH of a particular lake to pH 4.0. What is the hydroxyl ion concentration of this lake?

• A)1 × 10⁻¹⁰ mol of hydroxyl ion per liter of lake water
• B)1 × 10⁻⁴ mol of hydroxyl ion per liter of lake water
• C)10.0 M with regard to hydroxyl ion concentration
• D)4.0 M with regard to hydroxyl ion concentration
• E)both B and D

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