A. 18.0g mol‾¹
B. 22.4g mol‾¹
C. 28.0gmol‾¹
D. 36.0gmol‾¹
Correct Answer: Option C
C. 28.0gmol‾¹
Explanation
The mass of 0.8dm³ of a gas at s.t.p. is 1.0g
:. 22.4dm³ of gas at s.t.p. will have a molar mass of 22.4/0.8 = 28.0g mol‾¹
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