Question: 21 (4 points) (21) A solution contains 0.05 M HCl, a strong acid. What is its pH value? (a) pH = 0.05 (b) pH=1.3 (c)

21 (4 points) (21) A solution contains 0.05 M HCl, a strong acid. What is its pH value? (a) pH = 0.05 (b) pH=1.3 (c) pH = 3.0 (d) pH=7.0

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