Math, asked by devpal3521, 10 months ago

The number of atoms present in 8gm of oxygen is

Answers

Answered by rehankhan07
1

First we find the mole of oxygen .

mole = given mass/ atomic mass

= 8/ 32= 0.25 mol

now 1mole

 6.623\times 10 {}^{23}

so 0.25 mol will be equal to 1.65*10 power 23.

Similar questions