Chemistry, 21.04.2021 20:50, mlbyrd

Your mommy buys you a helium balloon at the circus. It has a volume of 4.00 liters at STP. What mass of helium, expressed in grams, does this balloon contain?

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Your mommy buys you a helium balloon at the circus. It has a volume of 4.00 liters at STP. What mass...