. The number of molecules in 4.25 g of ammonia is
The number of molecules in 4.25 g of ammonia is:
(a) 1.0 x 1023 (b) 1.5 x 1023 (c) 2.0 x 1023 (d) 3.5x 1023
Best Answer
The number of molecules in 18 g of ammonia= 6.02 x1023
So, no. of molecules in 4.25 g of ammonia = 6.02 x1023 x 4.25/18
= 1.5 x 1023
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