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A gas bottle contains 0.250 mol of gas at 0.973 bar pressure. If the final pressure is 1.165 bar,

how many moles of gas were added to the bottle?

3 answers

pressure has increased by a factor of 1.165/0.973 = 1.197

1.197 * 0.250 = 0.299

So, 0.049 mols were added. (Probably 0.05)

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