chemistry
posted by Boo Boo .
A sample containing 4.8g of O2 gas has a volume of 15.0L. Pressure and temperature remain constant.
What is the new volume if 0.500 mole of O2 gas is added?

chemistry 
DrBob222
Convert 4.8 g O2 to mols, add 0.5 mol to that and use (n1/V1) = (n2/V2)

chemistry 
Amal
11. A sample containing 4.80 g of O2 gas has an initial volume of 15.0 L. What is the final volume, in liters, when each of the following changes occur in the quantity of the gas at constant pressure and temperature?
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