Ijmb Model Questions Vol1 2018 Chemistry Question 7

Practice essay / theory question 7 from the 2018 Ijmb Model Questions Vol1 Chemistry examination. This question covers Acids Bases and Salts .

Ijmb Model Questions Vol1 2018 Chemistry Essay / Theory

Topic: Acids Bases and Salts

Question 7 IJMB_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • essay

A 0.250 M aqueous solution of a monoprotic weak acid HA (Mₙ = 60 g mol⁻¹) is titrated at 25 °C with 0.200 M NaOH. At the half‑equivalence point the measured pH is 4.75.

Question Parts

( a )

Determine the acid dissociation constant (Kₐ) of HA.

( b )

Calculate the pH of the solution after 0.025 mol of NaOH has been added to the 0.250 L acid solution.

( c )

Write the net ionic equation for the formation of the salt at the equivalence point and state whether the salt is a strong or weak electrolyte in aqueous solution.

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About This Question

This is Ijmb Model Questions Vol1 2018 Chemistry Question 7. It is one of the essay questions from the 2018 Ijmb Model Questions Vol1 Chemistry examination.

The question covers Acids Bases and Salts .

View More Ijmb Model Questions Vol1 2018 Chemistry Questions More Ijmb Model Questions Vol1 Practice Questions Back to Questions

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