Calculate the number of moles and the mass of gas in 10.2 L of O2 at STP.
A) 0.455 mol, 7.28 g
B) 0.455 mol, 14.6 g
C) 228 mol, 7.14 g
D) 228 mol, 3648 g
E) 1.00 mol, 32.0 g
Correct Answer:
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