Question

What is the volume of 0.128 mol of nitrogen dioxide gas at STP?

A) 0.00571 L
B) 2.87 L
C) 5.89 L
D) 132 L

Answer 1

B. 2.87 L

Step-by-step explanation:

• the volume of 0.138 mol of nitrogen dioxide gas at STP is equal to...2.87 L/litre

Answer 2

B) 2.87 L

Step-by-step explanation:

A mole of any gas at STP has a volume of about 22.412 liters. So, 0.128 moles of gas will have a volume of ...

0.128 · 22.412 L ≈ 2.87 L