Question

The number of molecules in 4.25 g of ammonia is
about
(a) 1.0 x 1023
(c) 2.0 x 1023
(b) 1.5 x 1023
(d) 2.5 x 1023​

Answer 1

Answer:

the answer is:

Explanation:

mass÷Mol.mass=n

then, No.of molecules=n×Na=Ans~

answer is {1.5×10^23}