12 Theoretical Yield (g) of Ca based on Klon used 13 Limiting Reagent 14 Reagent

Question

12 Theoretical Yield (g) of Ca based on Klon used 13 Limiting Reagent 14 Reagent in Excess Percent Yield of Ca(los) 16, Mass of excess reactant that reacted 17, Mass of excess reactant that remains unreacted 18 Theoretical Yield of kon based on Limiting Reagent 19, Mass of Residue in Beaker 2 20. sum of n17 and #18 21. Mole of Limiting Reagent per Mole of Cador: Give 3 SF Questions: 1. Considering your results in this experiment, what did you learn? Give at least three. (9 points) 2. Does your data support the Law of Conservation of Matter? Demonstrate using your measurements. (6 points)

Explanation / Answer

2) law of conservation of mass shows mass of reaction matter remains constant.

here mass remains constant hence it follows law of conservation of mass.

4) Potassium chloride (kCl) precipitated in beaker.

5) 17+18 gives mass except desired product [ Ca(IO3)2].

i.e mass of unconverted excess CaCl2 + KCl

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