1. Stoichiometry Movie Quiz
Foothill Chemistry

2. 1. What is the base unit for mass in the metric system?
Gram
Kilogram
Liter
Decigram

3. 2. You can NEVER change the ______ when balancing a chemical equation
Coefficients
Reaction Rate
Subscripts
Bond Length

4. 3. What is the molar mass of H2O?
18.02 g/mol
17.01 g/mol
33.01 g/mol
32.01 g/mol

5. 4. When computing an empirical formula, your ratio of elements are as follows: 2 N : 1.5 O: 6 H. What is the empirical formula?
It’s not multiple choice. You just have to answer.

6. 5. The empirical formula for a compound is H6O3N, the molar mass is g/mol. What is the chemical formula?
Not multiple choice, you just have to answer

7. 6. If the theoretical yield of a reaction is 75. 0 g, and 50
6. If the theoretical yield of a reaction is 75.0 g, and 50.0 g are produced, what is the percent yield?
Again not multiple choice.