Molar Mass Review for Semester Exam Fall 2024

Front

What is molar mass?

Back

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a molecule.

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass of a compound, multiply the atomic mass of each element by the number of times that element appears in the formula, then sum all the values.

Front

What is the molar mass of sodium (Na)?

Back

22.99 g/mol

Front

What is the molar mass of ammonium sulfide (NH4)2S?

Back

68.15 g/mol

Front

What is the molar mass of aluminum hydroxide (Al(OH)3)?

Back

78.0 g/mol

Front

What is the molar mass of carbon dioxide (CO2)?

Back

44.01 g/mol

Front

What is the significance of molar mass in chemistry?

Back

Molar mass is crucial for converting between grams and moles, allowing chemists to quantify substances in reactions.

Front

What is the molar mass of water (H2O)?

Back

18.02 g/mol

Front

What is the molar mass of glucose (C6H12O6)?

Back

180.18 g/mol

Front

What is the molar mass of sulfuric acid (H2SO4)?

Back

98.08 g/mol