if 200cm 3 of a gas at s.t.p has a mass of 0.268g what is...
CHEMISTRYWAEC 1989
if 200cm3 of a gas at s.t.p has a mass of 0.268g what is it molar mass? (molar volume of gas at s.t.p=22.4dm3)
- A. 300g
- B. 200g
- C. 150g
- D. 30g
Correct Answer: D. 30g
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