Chemistry, 28.02.2021 03:50 ayoismeisalex

If a balloon will rise off the ground when it contains 0.0226 mol of helium in a volume of 0.460 L, how many moles of helium are needed to make the balloon rise when its volume is 0.865 L?

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If a balloon will rise off the ground when it contains 0.0226 mol of helium in a volume of 0.460 L,...