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An Ideal Gas Has a Pressure of 2

question 22

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An ideal gas has a pressure of 2.5 atm,a volume of 1.0 L at a temperature of 30°C.How many molecules are there in this gas? (R = 8.31 J/mol ∙ K,1.00 atm = 101 kPa,NA = 6.022 × 1023)


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