Measuring the pH of a solution of sodium carbonate, a food additive and water softener. Solid sodium carbonate is added to water and stirred, quickly dissolving. The electronic probe then displays the pH, revealing the solution to be a reasonably strong alkali, with a pH over 11.2. One of its uses is as an acidity regulator in foods.

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    WebID:

    C01807617

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    RM

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    Duration:

    00:00:12.000

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