Chemistry - Ionic Equilibrium Question with Solution | TestHub

ChemistryIonic EquilibriumBuffer solutionEasy2 minPYQ_2020
ChemistryEasysingle choice

Calculate the pH of a solution obtain by mixing 10 ml of 1 N sodium acetate and 50 ml of 2 N acetic acid(Ka=1.8×10-5),

Options:

Answer:
A
Solution:

pH=pKa+log[Salt][Acid]
pH=-log(1.8×10-5)+log[10][100]
=-log1.8+5+log10-1
=-0.2553+5-1=3.7447

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Ionic EquilibriumSubtopic:Buffer solution
⏱ 2mℹ️ Source: PYQ_2020

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