Calculate the mass in g of: (a) 2 mole of CO2 (b) 2 N molecules of CO2 .
Calculate the mass in g of:
(a) 2 mole of CO2 (b) 2 N molecules of CO2 .
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(a)
1 mole of CO2 has molecular mass = 44
2 mole of CO2 has molecular mass = 2 x 44 = 88 g
(b)
N molecules of CO2 has molecular mass = 44
2N molecules of CO2 has molecular mass = 44 x 2 = 88 g
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