Question

What is the volume at STP of 1.25 mol of He?

a.
0.055 L
b. 28.0 L
C. 56 L
d. 7.52 x 1023 L

Answer 1

Answer: 28.0 L

Step-by-step explanation:

At standard temperature and pressure, 1 mole of any gas is always 22.4 L. So, all you have to do for this problem is multiply 22.4 L by the amount of moles, 1.25.

`22.4*1.25=28.0 L`