What molar quantity of water molecules are in a #50*g# mass of #Ca(NO_3)_2*4H_2O#?

1 Answer
Jun 7, 2016

Answer:

Approx. #0.9*mol#

Explanation:

#"Moles of "Ca(NO_3)_2*4H_2O# #=# #(50.0*g)/(236.15*g*mol^-1)# #=# #0.212*mol#.

Thus, since it is a tetrahydrate, there #4xx0.212*mol" water molecules"#