Question

in. 0.50g how many aluminium ions are present??

Answer 1

Molar mass of aluminum = 27g

That is,

1 mole = 27g

6.022*10^23 atoms = 27g

0.5g of aluminium = Given mass/ Molar mass

= 0.5/ 27= 0.0185 moles of aluminum

Hence,

0.50g of Al= 6.022*10^23*0.0185 =1.11407*10^22 atoms of Al

Answer 2

Answer:

yarr mere ko tumse bht sari batei krnii hain onn kyu nhii aa rhaa???