How many moles of Oxygen gas are there in 135L of Oxygen at STP?

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How many moles of Oxygen gas are there in 135L of Oxygen at STP?

2007-03-12 13:52:56 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

135 L divided by 22.4 L/mol = moles O2

2007-03-12 13:59:41 · answer #1 · answered by physandchemteach 7 · 0⤊ 0⤋

As in your other questions, use the ideal gas law to calculate what you need.
PV=nRT
STP means T = 273 K and P= 1 atm. R is 0.0821 Latm/molK. n is the moles of gas, and V is the volume in Liters.

2007-03-12 14:00:25 · answer #2 · answered by hcbiochem 7 · 0⤊ 0⤋