Question

if the mass of one atom of element X is about 6 *10 raised to - 23 gram how many moles X are equivalent to 144 gram of x​

Answer 1

Answer:

Explanation:1 Mole =6.023×10^(23) no,as each atom has the mass 6×10^(-23) =>mass of 1 mole=6×6.023=36.138gm.

Hence 144gm=(144/36.183) moles=3.98 moles.Ans..