Question: please explain! i dont understand how to find this solution. 100mL of a 1.0M solution of hydrochloric acid is gradually added to a stirred mixture

please explain! i dont understand how to find this solution.

100mL of a 1.0M solution of hydrochloric acid is gradually added to a stirred mixture containing 0.01mol calcium hydroxide, 100mL water, and a small amount of phenolphthalein. What changes are observed? I. The mixture changes from colorless to pink. II. The mixture changes from cloudy to clear. (A) I only (B) II only (C) Both I and II (D) Neither I nor

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