The number of molecules in 4.25 g of ammonia is ≈imately. | CHEMISTRY - EXPRESSING CONCENTRATION OF SOLUTIONS | SolveeIt | Solveeit

Today, August 18

Question

The number of molecules in 4.25 g of ammonia is approximately.

A

$0.5 \times 10 ^ { 23 }$

B

$1.5 \times 10 ^ { 23 }$

C

$3.5 \times 10 ^ { 23 }$

D

$2.5 \times 10 ^ { 23 }$

Answer

$1.5 \times 10 ^ { 23 }$

Explanation

Solution

$17 \mathrm { gm } \mathrm { NH } _ { 3 }$ = 1 mole.

Molecules of