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Calculate the mass in g of each of the following.

a. 2.3×10^22 H2O molecules

b. 6.16×10^20 SO3 molecules

c. 5.0×1025 O3 molecules

d. 9.82×1019 CCl2F2 molecules

  • chemistry -

    2.3 x 10^22/6.022 x 10^23 = ?? moles H2O.
    g = mols x molar mass.

    Same process for the others.

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