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General Topics & Mole Concept

Quick practice

Question 1 of 5

The pH of 0.2M \mathrm{CH}_{3} \mathrm{COOH} solution is ______. \left(\mathrm{K}_{\mathrm{a}}=2 \times 10^{-5}\right)(\log 2=0.3)

A

1.8

B

2.7

C

4.8

D

1.9

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