Multiple Choice
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 841 mm Hg and the temperature is now 26 °C.There are now ________ mol of gas in the flask.
A) 1.6
B) 2.3
C) 2.9
D) 3.5
E) 0.28
Correct Answer:

Verified
Correct Answer:
Verified
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