Kit L.

asked • 04/20/20

calculating mass/volume at STP

1) What is the mass of 75.0 L of methane gas (CH₄) measured at STP?

2) What volume, in liters, will be occupied by 48.8 g of helium gas at STP?

3) What volume, in liters, at STP, is occupied by 3.30 X 10²³ molecules of oxygen gas?

4) What is the mass of 3.01 x 10²² molecules of carbon dioxide at STP?

1 Expert Answer


Jason T. answered • 04/20/20

5 (3)

Experienced tutor and teacher in math, chemistry, and chem engineering

Kit L.

thank you!


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