Asked by prof.lupin


A gas sample occupies a volume of 155 mL at a temperature of 316 K and a pressure of 0.989 atm. How many moles of gas are there?

(show your work)
Answered by oobleck
since 1 mole occupies 22.4L at STP, we have
1*V/273 = 0.989*155/316
V = 132 mL
so you have 0.132/22.4 = 0.00591 moles
Answered by prof.lupin
thx
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