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18 September, 11:18

Calculate the molar mass of (NH4) 2SO4. molar mass of (NH4) 2SO4=__N*__+__*__+__*__+__ O*__=__ g/mol (total)

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  1. 18 September, 13:29
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    132 g/mol

    Explanation:

    (NH₄) ₂SO₄ has 2 nitrogen atoms, 8 hydrogen atoms, 1 sulfur atom, and 4 oxygen atoms.

    From the periodic table, the molar mass of each element is:

    N: 14.0 g/mol

    H: 1.01 g/mol

    S: 32.1 g/mol

    O: 16.0 g/mol

    So the molar mass of the compound is:

    2N * (14.0 g/mol N) + 8H * (1.01 g/mol H) + 1S * (32.1 g/mol S) + 4O * (16.0 g/mol O)

    = 28.0 + 8.08 + 32.1 + 64.0 g/mol

    = 132 g/mol

    If you need more precision, use more significant figures for the element molar masses.
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