SHORTANSWER

Mole Concept

By Sakshi Goel | 23 May'20 | 569 Views

Problem:
Calculate the number of molecules in 4.25 g of NH₃.

Solution:

Moles of NH₃ = $\frac{4.25}{17}$ = 0.25 moles
Number of molecules = 0.25 Ã— 6.022 Ã— 10²³ molecule = 1.50 Ã— 10²³ molecules

By Sakshi Goel | 28 Oct'18 | 5 K Views |

By Sakshi Goel | 28 Oct'18 | 3 K Views |

By Sakshi Goel | 28 Oct'18 | 3 K Views |