Question

The number of molecules in 5.65 g of ammonia is approximately xÃ1023. What is the value of x ?
(1) 3
(2) 2
(3) 4
(4) 1

Answer 1

heya!!


here is your answer ⬇️⬇️⬇️⬇️

the answer is 3.

hope my answer helps you ✌

Answer 2

Correct Answer is  option 2

Explanation :

Molecular mass of NH3  = 17g

1mole of NH3 (17g ) contains = 6.023x 10²³ molecules

5.65 g of NH3  ------------------?

= 5.65x6.023 x 10²³/17

=2.04x10²³ molecules

so approximately 2 x 10 ²³ molecules

Hence option 2 is correct