Chem. Lab: Tris(Ethylenediamine) Nickel (II) Chloride
Percent Yield | Actual amount of product/Theoretical amount of product x 100 |
What balance was used? | Top-loading |
Appearance of Solid NiCl2 x 6H2O | Light Green with precipitate solid |
Appearance of NiCl2 x 6H2O solution | Dark green liquid |
Appearance of ethylenediamine solution before adding the hydrate | Dark green liquid |
Appearance of reaction mixture after adding ethylenediamine solution to the hydrate | Dark purple liquid |
Appearance of reaction mixture after addition of acetone | Light purple with precipitate liquid |
Color of the product after drying | Light purple powder |
Mass of NiCl2 x 6H2O | .500-.650 g |
Volume of ethylenediamine solution | 2.3-2.5 mL |
Mass percent of of ethylenediamine solution | 25% |
Mass of product (ethylenediamine solution) | Mass of filter paper +watch glass +product – Mass of filter paper +watch glass |
Molar mass of NiCl2 x 6H2O | 237.6 g |
Moles of NiCl2 x 6H2O used | Mass of NiCl2 x 6H2O / Molar mass of NiCl2 x 6H2O |
Molar mass of ethylenediamine solution | 60.1 g |
Limiting Reactant | NiCl2 x 6H2O |
Molar mass of product | 310 g |
Molar mass of Copper (II) Chloride dehydrate | 170.6 g |
Why is it specified that only a minimum amount of water be used to dissolve NiCl2 x 6H2O? | The product of the reactant is soluble in water |
What is in the filtrate? | Parts of the acetone and water Small molecules of the product |