Question #51840

1 Answer
Feb 20, 2017

Answer:

Molar mass of water is #2xx1.008+16.00~~18g#.

Explanation:

So #1.8g=0.1mol#

One mol contains #6.02xx10^23# particles, so there are
#0.1xx6.02xx10^23=6.02xx10^22# water molecules, each containing 3 atoms (#2xxH+1xxO#):

Number of atoms:
#3xx6.02xx10^22=18.06xx10^22=1.8xx10^23#