Asked by treasa

A sample of gas (1.9 mol) is in a flask at 21 °C and 697 mm Hg. The flask is opened and more gas is added to the flask. The new pressure is 795 mm Hg and the temperature is now 26 °C. There are now __________ mol of gas in the flask.

Answers

Answered by DrBob222
Use PV = nRT and substitute the SECOND set of numbers to fine the NEW number of mols.
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