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17 May, 14:32

Fatima adds 0.1 moles of hcl to a buffer mixture containing 1.0 mole of naf and 1.0 mole of hf in 1.0 l of water at 298 k. which component of the buffer mixture does the hcl react with?

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  1. 17 May, 17:42
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    HCl reacts with NaF

    Explanation:

    A buffer is defined as the mixture of a weak acid (HX) with its conjugate base (X⁻) or vice versa.

    The buffer in the problem is the mixture of HF - weak acid - with NaF - conjugate base, F⁻-. A strong acid as HCl reacts with the conjugate base, F⁻, producing weak acid, HF. The reaction is:

    HCl + F⁻ → HF + Cl⁻

    Thus, HCl reacts with NaF.
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