Saved Bookmarks
| 1. |
An atom of element x weighs 6.64 × 10^-23 . Calculate the no. of moles in 40000 gm of it. |
|
Answer» UALAIKUM☺❤☺weight of 1 ATOM = 6.64×10^-23 gso, no. of atoms in 40000 KG = 40000×10^3 / 6.64×10^-23= 265,600× 10^26 atomsAs, 1 GRAM atom = no. atoms in ONE mole = 6.02×10^23 (avagadro number) so, no. of gram atom= 265,600×10^26/6.02×10^23= 1598gram atomsINSHAALLAH it will help you! |
|