Core
Quantitative Chemistry: Chemical Equation
Slide 21 of 39
Factor Label
Method: 5. Mass «
number of Particles
4K (s) + O2 (g) ® 2 K2O (s)
5a.
How many oxygen molecules are required to react with 30.0 grams of potassium?
5b. How many grams of oxygen are
required to produce 6.02 ´ 1020 formula units of K2O?
