QuestionGaseous state / molecular speeds
At 150 K, the root mean square speed of a gas A (molar mass = 30 g mol⁻¹) is equal to the most probable speed of the gas B at 300 K. The molar mass of gas B is :
- (a) 30 g mol⁻¹
- (b) 40 g mol⁻¹
- (c) 50 g mol⁻¹
- (d) 60 g mol⁻¹
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