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23 April, 17:22

What is the mass of 1.450 mol Cd3N2?

124.2 g

234.7 g

529.6 g

738.9 g

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  1. 23 April, 17:39
    0
    The given molecule is Cd3N2

    Number of moles of Cd3N2 = 1.450

    Step 1: Deduce the molar mass of Cd3N2

    Atomic mass of Cd = 112 g/mol

    Atomic mass of N = 14 g/mol

    Molar mass of Cd3N2 = 3 (112) + 2 (14) = 364 g/mol

    Step 2: Calculate the mass of Cd3N2

    Number of moles of Cd3N2 = mass of Cd3N2/molar mass

    Mass of Cd3N2 = number of moles * molar mass

    = 1.450 moles * 364 g/mole = 527.8 g
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