A. 300g
B. 200g
C. 150g
D. 30g
E. 15g
Correct Answer:
Option D – 30g
If 200cm³ of a gas at s.t.p. has a mass of 0.268g. What is its molar mass? (Molar volume of a gas at s.t.p. = 22.4 dm³)
![Calculate the mass of chlorine gas which occupies a volume of 1.12 dm³ a volume of 1.12 dm³ at s.t.p [Cl = 35.5, 1 mole of gas occupies 22.4 dm³ at s. t. p ]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Calculate the mass of chlorine gas which occupies a volume of 1.12 dm³ a volume of 1.12 dm³ at s.t.p [Cl = 35.5, 1 mole of gas occupies 22.4 dm³ at s. t. p ]")
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