Stoichiometery Part 1

What does the term 'stoichiometry' mean?

• The study of gases

• The study of liquids

• The study of chemical elements

• The study of quantities in chemical reactions

In a balanced chemical equation, what do the coefficients represent?

• The smallest whole number mole ratio

• The mass of the reactants

• The number of molecules

• The number of atoms

If 3.86 moles of potassium react completely, how many moles of hydrogen are produced?

• 4.00 moles

• 1.93 moles

• 2.00 moles

• 3.00 moles

What is the first step in mass-to-mass calculations?

• Convert grams to moles using molar mass

• Convert moles to grams

• Find the mole ratio

• Balance the equation

How many grams of oxygen are produced from 37.2 grams of lithium chloride?

• 30.0 grams

• 20.0 grams

• 25.0 grams

• 19.8 grams