3.6克H2O的物质的量是_,含有_个H2O,含有_molH.

问题描述:

3.6克H2O的物质的量是______,含有______个H2O,含有______molH.

n(H2O)=

3.6g
18g/mol
=0.2mol,N(H2O)=0.2mol×NA/mol=0.2NA,n(H)=2n(H2O)=0.4mol,
故答案为:0.2mol;0.2NA;0.4.