If 200cm 3 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) - SchoolNGR

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If 200cm 3 of a gas at s.t.p. has a mass of 0.268g, what is its molar mass? (Molar ...

If 200cm ³ 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)

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A 300g
B 200g
C 150g
D 30g
E 15g

Correct Answer: Option D

Explanation:

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