Homework Help: Chem hwk

Posted by Thad on Monday, January 28, 2013 at 2:58pm.

In the balanced double replacement reaction of calcium chloride CaCl2 and aluminum sulfate Al2(SO4)3, how many grams of calcium sulfate can be produced if you start the reaction with 18.97 grams of calcium chloride and the reaction goes to completion?

Chem hwk - DrBob222, Monday, January 28, 2013 at 4:37pm
3CaCl2 + Al2(SO4)3 ==> 3CaSO4 + 2AlCl3

mols CaCl2 = grams/molar mass
Convert mols CaCl2 to mols CaSO4 using the coefficients in the balanced equation.
Convert mols CaSO4 to g. g = mols x molar mass.

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