2007-01-25 08:17:23 · 5 answers · asked by chet4pizza 1 in Science & Mathematics ➔ Chemistry
To find the number of moles of a substance contained within a sample of a given mass, divide the mass by the molar mass.
Molar mass = mass / # of moles
# of moles = mass / Molar mass
In your question you are given a mass of 6.005 grams of Carbon.
The average molar mass of carbon is 12.0107 grams per mole (which is often just estimated to two decimal places as 12.01 g/mol).
moles of Carbon = 6.005 g / 12.0107 g/mol
moles of Carbon = .49997 moles
So you have about .5 moles of Carbon there.
2007-01-25 08:23:26 · answer #1 · answered by mrjeffy321 7 · 0⤊ 0⤋
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2016-05-16 15:42:24 · answer #2 · answered by Mary 4 · 0⤊ 0⤋
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2007-01-25 08:23:46 · answer #3 · answered by god knows and sees else Yahoo 6 · 0⤊ 0⤋
half a mole
2007-01-25 08:23:24 · answer #4 · answered by Anonymous · 0⤊ 0⤋
6.005g x 1mol/12.011g = 0.5 mol
2007-01-25 08:24:08 · answer #5 · answered by Hard Rocker 3 · 0⤊ 0⤋