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12 August, 20:33

How many atomic mass units are equal to 1.672*10-24 g of protons?

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  1. 12 August, 20:46
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    1.0 amu.

    Explanation:

    It is known that 1.0 g = 6.022 * 10²³ amu.

    Using cross multiplication:

    1.0 g → 6.022 * 10²³ amu.

    1.672 x 10⁻²⁴ g →? amu.

    ∴ the number of atomic mass units in 1.672 x 10⁻²⁴ g of protons = (1.672 x 10⁻²⁴ g) (6.022 * 10²³ amu) / (1.0 g) = 1.00687 amu ≅ 1.0 amu.
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