Chemistry, 13.10.2019 09:01 steven122048i
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? (r = 0.08205 l atm/k mol)
0.477 mol
0.078 mol
77.72 mol
477.5 mol
Answers: 1
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