Question

calculate no of molecules in a drop of water weighing 0.048g​

Answer 1

Explanation:

18 g of H2O has 6.022 × 10^23 molecules

= 0.048 g of H2O will have

= ( 6.022 × 10^23 × 0.048 ) / 18

= 1.606 × 10^21 molecules..