56.3k views
5 votes
How many molecules are in 1.00 gram of water, h2o?

User Bdash
by
7.8k points

1 Answer

7 votes
n(H₂O)=1g÷18g/mol=0,055mol
N(H₂O)=0,055mol · 6·10²³ 1/mol (Avogadro number)= 3,33·10²² molecules.
User Mooware
by
7.2k points