A student adds 10 mL of hydrochloric acid to a 20 ml sodium hydroxide solution. What will most likely happen to the pH of the solutio

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A student adds 10 mL of hydrochloric acid to a 20 ml sodium hydroxide solution. What will most likely happen to the pH of the solution?

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Euphemia 2 months 2021-07-31T19:06:21+00:00 1 Answers 2 views 0

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    2021-07-31T19:07:48+00:00

    Answer: The pH decreases

    Explanation:

    – Hydrochloric acid, as an acid has a pH value below 7

    – Sodium hydroxide, as an alkali has a pH value above 7.

    The alkali neutralizes the acid to give a salt as in the equation:

    HCl(aq) + NaOH(aq) –> NaCl(aq) + H2O(l)

    Hence, the aqeous sodium chloride, NaCl has a pH value of 7 (neutral) which is then a decrease from the above 7 pH value of the sodium hydroxide solution.

    Thus, the pH decreases

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