Question

1. A series of solutions are prepared by diluting 10.0 mL, 20.0 mL, 30.0 mL, 40.0 mL, and 50.0 mL of a 1.00x10-2 M CaCl2 solution each to 100.0 mL. Calculate the molarity of each solution. Record these values in the Data Table before you come to lab. Show your work for these calculations.

Answer 1

Molarity = moles of solute/Liters of solvent.

Answer 2

We know that the solution has a solvent of .1L (100ml ---> 0.1L)

Answer 3

1.00x10-2M Molarity, since you have10.0ml, 20.0ml and so on, you can calculate the moles of solute by take the Molarity of solute (1.00x10-2) and multiply it by the solution (20.0ml, 30.0ml, and so on)

Answer 4

For example, for the first one.