When 147 ML of Aqueous HBr (A Strong Acid) Was Added

question 14

Multiple Choice

When 14.7 mL of aqueous HBr (a strong acid) was added to water, 0.482 L of a solution with a pH of 4.23 was produced. What was the molarity of the original HBr solution?

• A) 1.9 × 10^-3 M
• B) 140 M
• C) 0.288 M
• D) 0.13 M
• E) None of these choices are correct.

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