What Is a Mole

What does a mole in chemistry measure?

• particles of a substance

• volume of a substance

• color of a substance

Tags

NGSS.HS-PS1-7

Which one of the following units is used in a similar way to how the mole is used in chemistry?

• an inch

• a liter

• a dozen

What does a mole in chemistry measure?

• particles of a substance

• volume of a substance

• color of a substance

• mass of a substance

Tags

NGSS.HS-PS1-7

Which one of the following units is used in a similar way to how the mole is used in chemistry?

• an inch

• a liter

• a dozen

• a gram

What is the numerical value of Avogadro's number?

Tags

NGSS.HS-PS1-7

In which type of chemical reaction is the concept of a mole particularly useful?

• Combustion reactions

• Redox reactions

• Acid-base reactions

• All of the above

How is the mole concept used in stoichiometry?

• To balance chemical equations

• To calculate the mass of reactants and products

• To determine the limiting reactant

• All of the above

What is the molar mass of water (H2O)?

• 18 g/mol

• 20 g/mol

• 16 g/mol

• 22 g/mol

Which of the following best describes a mole in terms of carbon-12?

• The amount of substance containing the same number of entities as 12 grams of carbon-12

• The amount of substance containing 12 atoms of carbon-12

• The amount of substance containing 6 atoms of carbon-12

• The amount of substance containing 1 atom of carbon-12

What is the primary use of the mole in chemical equations?

• To express the amount of a substance

• To measure temperature

• To determine color

• To calculate pressure

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-7