Mass of Na2CO3.H2O (g) = 2.12g (g) Mass of the CaCl2.2H2O (g) = 1.98g Mass of the top funnel + filter paper (g) = 15.85g Mass of top funnel + filter paper + CaCO3 collected (g) = 17.81g CaCl2 + Na2CO3 ==== CaCo3 + 2NaCl   Moles CaCO3 produced by Na2CO3 (if all Na2CO3 reacts)? Moles CaCO3 produced by Na2CO3 (if all CaCl2 reacts)?   What is the Limiting Reagent?   Moles Na2CO3 reacting? Moles CaCl2 reacting?

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