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If the pH of a solution is 9, the solution is A. acidic, which turns phenolphthalein pink B. acidic, which turns phenolphthalein colorless C. basic, which turns phenolphthalein pink D. basic, which turns phenolphthalein colorless

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  1. Today, 00:57
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    C.

    Explanation:

    pH > 7, basic, so pH = 9 is basic.

    When solution is basic, it will turn phenolphthalein pink.
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