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At 25^@ C, the dissociation constant of ...

At `25^@ C`, the dissociation constant of `NH_4 OH` is `2 xx 10^(-5)`. If the molar concentration of `NH_2 OH` is `0.2 M`, calculate the proton concentration of aqueous ammonia solution.

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To solve the problem, we need to calculate the proton concentration of an aqueous ammonia solution given the dissociation constant of ammonium hydroxide (NH₄OH) and its molar concentration. ### Step-by-Step Solution: 1. **Identify the Given Data:** - Dissociation constant (K_b) of NH₄OH = \(2 \times 10^{-5}\) - Molar concentration of NH₄OH = 0.2 M ...
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