TilliH0natlaylaraf TilliH0natlaylaraf

26-10-2016
Chemistry

Answered

how many grams of hydrogen gas would be needed to form 8.0 grams of water

Verified Answer :

kingfisher22 kingfisher22

26-10-2016

n h2o = mh20/Mh20
= 8.0g/18g/mol
=0.44 mol
therefore n O = 0.44mol
therefore n H2 = 0.88 mol

m H2 = n H2 M H2
= 0.88 mol 2 g/mol
=1.76 g

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