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30 August, 18:41

Nitrogen reacts with a metal to form a compound in which there are three atoms of the metal for each atom of nitrogen. if 1.486 g of the metal reacts with 1.000 g of nitrogen, what is the calculated atomic mass of the metal?

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  1. 30 August, 18:47
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    We are given that:

    1 atom N = 3 atom of the metal

    1 mol N = 3 mol of the metal

    First let us convert the given nitrogen into number of moles:

    moles N = 1 g / (14 g / mol)

    moles N = 0.071 mol

    Therefore the atomic or molar mass of the metal is:

    molar mass = 1.486 g / (3 * 0.071 mol)

    molar mass = 6.93 g / mol
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