### Example 3.17v: Determining the Mass of Solute in a Given Volume of Solution

How many grams of $$\ce{CaCl2}$$ are contained in 250.0 mL of a 0.200 M solution of calcium chloride?

#### Attn: This is a demo of the virtual study group

The following illustrates how to add comments to a calculation. To run the demonstration, press go. In order to show the input and resulting output on the same page, the input (red text staring with >>>>) will be mirrored in the output. You can remove the mirroring by deleting the very first line of the commands. As you will see in the demonstration, to add text, you just type text. To add displayed algebra or chemical equations, you start the line with @ or !, respectively.