A buffer solution is prepared by mixing 'a' moles of CH3COONa and 'b' moles of CH3COOH such that (a + b) = 1, into water to make 1L buffer solution. If the buffer capacity of this buffer solution is plotted against moles of salt CH3COONa (with a) then the plot obtained will be (to the scale) approximately.

Engineering

Chemistry

Auto Ionization of Water

Question

A buffer solution is prepared by mixing 'a' moles of CH₃COONa and 'b' moles of CH₃COOH such that (a + b) = 1, into water to make 1L buffer solution. If the buffer capacity of this buffer solution is plotted against moles of salt CH₃COONa (with a) then the plot obtained will be (to the scale) approximately.

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Buffer capacity of a solution is given by, buffer capacity = $2.303 (\frac{ab}{a + b})$ . Hence the result

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