How many molecules are contained in 5.61 moles of #H_2# at STP?

1 Answer
Trevor Ryan.
Feb 28, 2016

#3.3789xx10^24#

Explanation:

#1# mole of any material contains #6.023xx10^23# elementary particles.

Hence, by ratio and proportion, #5.61 mol# of diatomic hydrogen gas contains #5.61xx6.023xx10^23# hydrogen molecules #=3.3789xx10^24# #H_2# molecules.

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