A sample of methane gas, CH 4 , was slowly heated at a constant pressure of 0.90

Question:

A sample of methane gas, CH₄, was slowly heated at a constant pressure of 0.90 bar. The volume of the gas was measured at a series of different temperatures and a plot of volume against temperature was constructed. The slope of the line was 2.88 * 10^-4 L · K^–1. What was the mass of the sample of methane?

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