Initial: CaCl2•2H2O (g) 1 gram Initial: CaCl2•2H2O (moles) .0068 moles Initial: CaCl2 (moles) .009 moles Initial: Na2CO3 (moles) .0068 Initial: Na2CO3 (g) 0.72 moles Theoretical: CaCO3 (g) 0.60 grams Mass of Filter paper (g) 1.04 grams Mass of Filter Paper + CaCO3 (g) 1.82 grams Actual: CaCO3 (g) 0.78 % Yield:
What is the percentage yield?