Stoichiometry Multiple Choice

Question 1

Stoichiometry is based on the law of conservation of

Answer 1

Mass

Question 2

In a balanced chemical equation, the numbers of individual particles and the numbers of moles of particles are represented by the

Answer 2

Coefficients

Question 3

Mole ratios for a reaction are obtained from the

Answer 3

Balanced chemical equation

Question 4

In the decomposition reaction of compound AB into substances A and B , what is the number of mole ratios ?

Answer 4

6

Question 5

Calculating the mass of a reactant and product from the number of moles of another product or reactant in a chemical equation is an example of a:

Answer 5

Mole-to-mass conversion

Question 6

Limiting a reactant is often accomplished by

Answer 6

Using an excess of another reactant

Question 7

In a reaction, substances A and B for, substance C. Is the actual mole ratio of substance B to substance Abis less than the balanced equation mole ratio of substance B to substance A, substance B is the :

Answer 7

Limiting reactant

Question 8

Percent yield of a product is a measure of a redactions :

Answer 8

Efficiency

Question 9

The actual yield of a product is

Answer 9

Measured experimentally

Question 10

The most important industrial chemical in the world is :

Answer 10

Sulfuric acid