Inactive Tutor answered • 12/17/19
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Chakiera J.
asked • 12/17/19How many molecules are in 85.945g of PCl5
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J.R. S. answered • 12/17/19
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Simply use dimensional analysis:
molar mass PCl5 = 208.24 g/mole
85.945 g PCl5 x 1 mole PCl5 / 208.24 g x 6.02x1023 molecules / mole = 2.4848x1023 molecules of PCl5
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