Homework due 9.29.15

Do Now

Calculate the molecular formulas of the compounds having the following empirical formulas and molar masses: 
C₂H₅, 58 g/mol
CH, 78 g/mol
HgCl, 236.1 g/mol.

[when you are done, show your neighbor how you did it]

Read
  Chapter 7.1 pp 218-219
  Chapter 7.2 pp 220-223
Do
  Problems 3, 4, 5, 6, 9 pg 234