Asked by Daniel

What is the number of grams of Hydrogen in 5.45 x 10^22 molecules NH3?
Answered by DrBob222
moles NH3 = 5.45 x 10^22/6.022 x 10^23 = ?? NH3.
moles H = 3x that number since there are three H atoms in one molecule of NH3.

g H = mols H x atomic mass H

Answered by alex
0.274g H
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