How many grams are in .49 mol of CO?

1 Answer
Meave60
Mar 3, 2018

#"0.49 mol CO"# has a mass of #"14 g CO"#.

Explanation:

The molar mass (mass of one mole) of #"CO"# is:

#(1xx12.011)+(1xx15.999)="28.5 g/mol"#.

Multiply the given moles by the molar mass of #"CO"#.

#0.49color(red)cancel(color(black)("mol CO"))xx(28.5"g CO")/(1color(red)cancel(color(black)("mol CO")))="14 g CO"# (rounded to two significant figures)

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