Compute how many mol of gas are in the flask

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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. How many mol of gas are in the flask?

Reference no: EM13227239

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