Nitrogen gas at standard atmospheric pressure, 101.3 kPa, has a volume of 0.080 mº. If there are 3.6 mol of the gas, what is the temperature of nitrogen gas?

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answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg

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