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The volume of 0.02 M aqueous HBr required to neutralize 10.0 mL of 0.01 M aqueous Ba(OH) 2 is (Assume complete neutralization)

1. 2.5 mL
2. 5.0 mL
3. 10.0 mL
4. 7.5 mL

Correct answer: 10.0 mL

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