A. 2.24 dm³
B. 4.48 dm³
C. 22.4 dm³
D. 44.8 dm³
Correct Answer: Option B
B. 4.48 dm³
![The mass of 800cm³ of a gas X at s.t.p. is 1.0g. What is the molar mass of X? [1 mole of a gas at s.t.p occupies 22.4dm³]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "The mass of 800cm³ of a gas X at s.t.p. is 1.0g. What is the molar mass of X? [1 mole of a gas at s.t.p occupies 22.4dm³]")
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