Calculate the number of molecules in 4.25 grams of NH3
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Answered by
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
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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