Calculate the numerical value of the ratio required for a buffer solution to have…

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Calculate the numerical value of the ratio [A−][HA]\dfrac{[A^-]}{[HA]} required for a buffer solution to have pH=7.60\text{pH}=7.60 when the weak acid in the system has pKa=7.20\text{p}K_a=7.20.

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