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3 March, 00:18

How many moles are in 2.1 x 10^{24} molecules SiO4

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  1. 3 March, 00:25
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    Answer: 3.5 moles

    Explanation:

    Based on Avogadro's law:

    1 mole of any substance has 6.02 x 10^23 molecules

    So, 1 mole of SiO4 = 6.02 x 10^23 molecules

    Zmoles of SiO4 = 2.1 x 10^{24} molecules

    To get the value of Z, cross multiply:

    (2.1 x 10^{24} molecules x 1mole) = (6.02 x 10^23 molecules x Z moles)

    2.1 x 10^{24} molecules = (6.02 x 10^23 x Z)

    Z = (2.1 x 10^{24}) ➗ (6.02 x 10^23)

    Z = 3.5 moles

    Thus, there are 3.5 moles of SiO4.
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