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17 September, 20:05

The standard hydrogen electrode:

Select the correct answer below:

is often used as a control in the laboratory.

is a simple, safe, and easy-to-create electrode.

involves the evolution of hydrogen gas, making it impractical for laboratory use

none of the above

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  1. 17 September, 23:27
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    is a simple, safe, and easy-to-create electrode

    Explanation:

    the hydrogen electrode is based on the redox half-cell:

    2H + (aq) + 2e - → H2 (g)

    building:

    1) Platinium electrode

    2) hydrogen pumping

    3) acid solution [H+] = 1M

    4) siphon to prevent oxygen presence

    5) galvanic cell connector

    this electrode is used as the basis for standard potential tables
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