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Acids, bases and titration — Question 13

QCAA 2022, Paper 1 · 1 mark

Q13 · 2022 · Paper 1Unclassified1 mark

QUESTION 13

Determine the Ka of an unknown weak acid (HA) with an aqueous concentration of 0.12 M and a pH of 3.2.

(A) 5.2 × 10-3

(B) 6.3 × 10-4

(C) 3.3 × 10-6

(D) 4.0 × 10-7

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