In the following reaction: HBr ⇌ H⁺ + Br^- , what is [H⁺] equal to, given that [HBr] = 0.100 M and K = 23.1?

Name: In the following reaction: HBr ⇌ H + + Br - , what is [H + ] equal to, given that [HBr] = 0.100 M and K = 23.1?
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Quizplus · Accepted Answer

The equilibrium constant expression for the reaction is K = [H⁺][Br⁻]/[HBr]. Given K = 23.1 and [HBr] = 0.100 M, we can assume [H⁺] = [Br⁻] = x. Thus, 23.1 = x²/0.100, solving for x gives x = √(23.1 * 0.100) = 1.52 M.

In the Following Reaction: HBr ⇌ H+ + Br-

In the Following Reaction: HBr ⇌ H⁺ + Br^-