Chemistry, asked by brightedu5327, 9 months ago

Calculate the number of molecules in 4.25 grams of NH3

Answers

Answered by taronavijit
0

ANSWER :

So 4.25 g ammonia will contain (6.022×10^23×4.25)/17 = 1.5×10^23 number of ammonia molecules. Each molecule contain 4 atoms (1 N atom and 3 H atoms).

Answered by sanjayvijay
2

Answer:

Molar mass =14+3=17

No.of moles =

17

4.25

=0.25moles

1 mole=4×6.022×10

27

atoms

0.25mole=.25×4×6.022×10

23

=6.022×10

23

atoms

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