Calculate the Percent Composition of noted elements for the following compounds
In order to RECEIVE points, Write the # and its corresponding Formula given ALSO show your working for each formula.

1.Calculate the percent of Hydrogen in H2O
2.Calculate the percent of Oxygen in CO
3.Calculate the percent of Carbon in CO2
4.Calculate the percent of Nitrogen in KNO3
5.Calculate the percent of Hydrogen in Ca(H2O)2