Question

What is the volume of 50g of nitrogen gas at a pressure of 650 mmhg and a temperature of 15 Celsius?

Answer 1

pv=nRT

Answer 2

use gas laws XD
ideal gas law

Answer 3

but this one has mass.

Answer 4

turn mass into # of mols

Answer 5

using atomic mass XD

Answer 6

oh that avogrado's number thing?

Answer 7

yep XD

Answer 8

What's the constant R?

Answer 9

i believe it goes somewhere along the lines of 0.0821 no?

Answer 10

8.31 (L*KPa)/(K*mol)
if you're using kpa

Answer 11

when is 0.0821 used? or is it wrong?

Answer 12

i think its when you use atm instead of Kpa