MOLE and Avogadro's number

[@KainatMono]

Ni ha

[@KainatMono]

Sir apki awaz clear

[@alqalam3790]

Clear nahi ha matlb

[@gamingwithzee1093]

Sir G Da Classroom Door open satai aw pa basement ki videos ma record kawe
Staso Voice Clear na de Da ego da lasa

[@alqalam3790]

Yea inshallah.
Next viode you cheak