Question

How many moles of acetylene gas occupies a volume of 3.25 liters at STP?

Answer 1

0.1449 moles

I hope this helps

Answer 2

Answer: 0.14 mole C2H2

Explanation: solution attached:

Derive n from PV= nR

n= PV/RT

= 1 atm ( 3.25 L) / (0.08205 L.atm/mol.K) ( 273 K)

= 0.14 mole C2H2