Unformatted text preview: Unit 1 In Class Exercises In Class Exercise: Atomic Mass
The majority of chlorine atoms found in nature are 35Cl (75.78%) and 37Cl (24.22%).
Calculate the average atomic mass of chlorine. In Class Exercise: Atomic Mass
Naturally occurring copper exists in two isotopic forms: 63Cu and 65Cu. What is the approximate natural abundance of 63Cu? In Class Exercise: convert mol to number of atoms
How many atoms are contained in 3.75 mol calcium, Ca? In Class Exercise: convert molecules to mass
What is the mass of 2.94 x 1029 molecules of nitrogen gas? ...
View Full Document
- Spring '12