Only litre buffer solution was prepared by adding 0.10 mol each of NH ₃ and NH ₄ Cl in deionised water. The change in pH on addition of 0.05 mol of HCl to the above solution is ________ 10⁻² , (Nearest integer) (Given : pK _ b of NH ₃=4.745

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Only litre buffer solution was prepared by adding 0.10 mol each of NH ₃ and NH ₄ Cl in deionised water. The change in pH on addition of 0.05 mol of HCl to the above solution is ________ 10⁻² , (Nearest integer) (Given : pK _ b of NH ₃=4.745 and ₁₀ 3=0.477 )

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aligned & pOH = pK _ b + [ NH ₄⁺ ] [ NH ₃ ] & p O H =4.745 aligned on adding 0.05 mole HCl aligned & array llll NH ₃+ & H ^ & & NH ₄^ 0.1 & 0.05 & & 0.1 0.05 & 0 & & 0.15 array & pOH ^ =4.745+ 3 & pOH ^ - pOH =0.477 & 14- pH ^ -14+ pH =0.477 & pH =0.477 & =47.7 10⁻² 48 10⁻² aligned

Only litre buffer solution was prepared by adding 0.10 mol each of NH ₃ and NH ₄ Cl in deionised water. The change in pH on addition of 0.05 mol of HCl to the above solution is ________ 10⁻² , (Nearest integer) (Given : pK _ b of NH ₃=4.745 and ₁₀ 3=0.477 )

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