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29 April, 15:14

How many moles are in 3.4 grams of silicone dioxide, sio2

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  1. 29 April, 17:32
    0
    number of moles in 3.4 grams of SiO2 = 0.06 moles

    Explanation:

    SiO2 compound is the combination of silicon and Oxygen molecules. Silicon dioxide contains only 1 mole according to the question. The molecular mass of the compound is the sum of the atomic mass of each atom of element present in the compound.

    This means 1 mole of silicon dioxide = molecular mass of silicon dioxide

    molecular mass of Si02 = 28.0855 + 15.999 (2) = 60.0835 g

    If 1 mole of SiO2 = 60.0835 g

    ? mole = 3.4 g

    cross multiply

    number of mole in 3.4 g = 3.4/60.0835 = 0.05658791515

    = 0.06 moles

    number of moles in 3.4 grams of SiO2 = 0.06 moles
  2. 29 April, 18:41
    0
    To find moles from grams would be the amount of grams which in your case is 3.4 divided by the molar mass which is just adding ip Si, O2
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