How many moles of a gas sample are in a 20.0 L container at 373 K and 203 kPa? The gas constant is 8.31 L-kPa/mol-K. 0.33 moles 3.05 moles 1.30 moles 0.65 moles

Question

Chemistry

Heaven Haley

7 June, 18:59

How many moles of a gas sample are in a 20.0 L container at 373 K and 203 kPa? The gas constant is 8.31 L-kPa/mol-K. 0.33 moles 3.05 moles 1.30 moles 0.65 moles

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London Kirby · Answer 1

We need to use the ideal gas formula--> PV = nRT

P, pressure = 203 kPa

V, volume = 20.0 Liters

n, moles = ?

R, constant = 8.31 L-kPa/mol-K

T, temperature = 373 K

now, lets plug these values into the formula

(203) (20.0) = (n) (8.31) (373)

n = 1.31 moles