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14-04-2021
Chemistry

contestada

One liter of helium gas has a mass of 2.3 grams at STP. True or false

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23-05-2022

Answer:

n=V/Vm

n=1/22.4

n=0.044 moles He

m=n×M

m=0.044×4

m=0.178 g False

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