Question

Useful Information: The 25.0 wt % ethylenediamine solution contains 25.0 % ethylenediamine by mass, dissolved in water, and has a density of 0.950 g/mL. First calculate the mass of the C2H8N2 solution from its volume and density, then calculate the mass of the C2H8N2 by remembering that
mass of solute wt % solution = x 100 mass of solution
From their masses and formula weights, you should then compute the number of moles of NiCl2•6H2O and of C2H8N2 that were used. (Remember the formula weight of NiCl2•6H2O should include the mass of the waters of hydration.)  

1. Create a typed table that concisely presents the quantities (mass or volume as appropriate for each reagent, as well as moles for all reagents) and appearance of both of the reactants and the nickel product. (Remember to clearly label the table with a title and headers for all data columns/ rows. Avoid blank cells in the table.)

2. What was the limiting reactant for your synthesis? Show your typed calculations. 3. What was the theoretical and percent yield of trisethylenediaminenickel(II) chloride for your experiment? Show your typed calculations.

4. Assuming all of the limiting reactant was completely consumed (reacted), how many moles of the other reactant (non-limiting) remained? Show your typed calculations.

Answer 1