Molar Mass Lab

On the 13th day of Christmas, we did a gas lab. In this Lab we had to find out how much hydrogen was made when Mg and HCl were combined. Heres the formula:

Mg + 2HCl -------> H2 + MgCl2

We then took some copper wire, wrapped it around the magnesium and dropped it in the HCl. This produces the H2 bubbles that collect in the top of the tube.

We measured how much gas was produced by using an instrument call a Eudiometer. That word just rolls off the tongue.Here is the Eudiometer.

Once we found the volume of the gas, we are then able to calculate how much H2 is in the measured volume by subtracting the H2O vapors from the total volume. We are also able to measure the pressure of the H2 using Dalton's Law of Partial Pressures.

If you missed the lab, you can find it here. Homework is to work on the Lab and Worksheets.

This has been Conor H. The next scribe will be Justin.