14 of 15

What is the mass of 2 moles of oxygen gas (O2)?

A 16 grams
B 32 grams
C 64 grams
D 2 grams

That's Correct!

It's Wrong!

The molar mass of oxygen gas (O2) is approximately 32 grams. Since 1 mole of O2 weighs 32 grams, 2 moles of O2 would weigh 2 times 32 grams, which is equal to 64 grams.

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What is the mass of 2 moles of oxygen gas (O2)?

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