CHEMISTRY HELP! How do you find the moles at STP?

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CHEMISTRY HELP! How do you find the moles at STP?

What is the volume at STP of 2.66 moles of Methane (CH4) How do you do this?? please help!

2007-02-03 09:51:28 · 2 answers · asked by Rachel 2 in Science & Mathematics ➔ Chemistry

2 answers

A mole of any gas occupies 22.4 liters at STP.
You have 2.66 moles.
Multiply

2007-02-03 10:07:12 · answer #1 · answered by science teacher 7 · 2⤊ 0⤋

Once again...

Methane has a density of 0.717 kg/m^3.

A mole of methane has a mass of 16g so 2.66 moles has a mass of 42.6g.

V = m/d = 0.0426 kg / 0.717 kg/m^3 = 0.0593 m^3 = 59.3 liters

2007-02-03 09:55:30 · answer #2 · answered by gebobs 6 · 0⤊ 0⤋