What molar quantity of water molecules are in a $50g$ mass of $Ca(NO_3)_24H_2O$ ?

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Answer 1 · 2016-06-07T04:03:40

Approx. $0.9*mol$

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

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

What molar quantity of water molecules are in a 50*g50*g mass of Ca(NO_3)_2*4H_2OCa(NO_3)_2*4H_2O?