Homework Help: science: chemistry

Posted by Jane Doe on Friday, July 15, 2011 at 9:52am.

When a sample of potassium nitrate is heated, oxygen gas is produced. This gas, collected in a 750 milliliter flask, has a pressure of 2.8 atmosphere and the temperature is recorded to be 53.6°C. How many moles of oxygen gas are produced in this reaction?

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