The number of molecules in 4.25 g of ammonia is about — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

Moles of 3 ( ) 4.25 0.25 . . 17 Weight g NH Mol wt 1 mole of 3 NH contains 23 6.023 10 x molecules 0.25 mole of 3 NH will contain 23 0.25 6.023 10 x x i.e. 23 1.5 10 x molecules The correct option is (b)