Chemistry, 28.02.2021 02:30 tonypewitt

A gas mixture is composed of 4.3 grams of hydrogen (density at STP= 0.089g/L) and 2.9grams of helium ( density at STP = 0.179 g/L). What is the percentage (v/v) helium in the mixture? SHOW WORK

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A gas mixture is composed of 4.3 grams of hydrogen (density at STP= 0.089g/L) and 2.9grams of helium...

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