If 20 grams of N2 react completely with H2, how many moles of NH3 are produced? Show Work

Question

Ally Fitzpatrick

Chemistry

19 October, 07:30

If 20 grams of N2 react completely with H2, how many moles of NH3 are produced? Show Work

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Answers (1)

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Casey Rivas · Answer 1

This is the balanced eq

N2 + 3H2 - > 2NH3

first you need to find mole of N2 by using

mol = mass : molar mass.

mol N2 = 20g : (14.01*2) g/mol

=0.7138mol

then look at the coefficient between H2 and NH3.

it is N2:NH3

1:2

0.7138:0.7138*2

0.7138:1.4276 moles

moles of NH3 = 1.4276 moles