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19 January, 07:42

How many moles of calcium carbonate-CaCO3 = 4.15 g

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  1. 19 January, 08:35
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    Number of moles = 0.042 mol

    Explanation:

    Given dа ta:

    Number of moles = ?

    Mass of calcium carbonate = ?

    Solution:

    Formula:

    Number of moles = mass / molar mass

    now we will calculate the molar mass of calcium carbonate.

    atomic mass of Ca = 40 amu

    atomic mass of C = 12 amu

    atomic mass of O = 16 amu

    CaCO₃ = 40 + 12 + 3*16

    CaCO₃ = 40 + 12+48

    CaCO₃ = 100 g/mol

    Now we will calculate the number of moles.

    Number of moles = 4.15 g / 100 g/mol

    Number of moles = 0.042 mol
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