Determine the number of grams present in 3.11x 10^23 atoms of water

Answer 1

Molar mass of H2O = 18.0 g/mol

18 g ------> 6.02x10^23 atoms
g -------> 3.11x10^23 atoms

( 3.11x10^23) * 18 / 6.02x10^23

5.598x10^24 / 6.02x10^23

= 9.299 gramas

hope thi helps!.

Answer 2

9.299 grams