Molar Mass and Mole Concepts- Reg. Chemistry

Front

What are the units for molar mass?

Back

grams/mole

Front

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

Back

44.01 g/mol

Front

What is the mass in grams of 5.90 mol C8H18?

Back

673 g

Front

How many grams are in 4 moles of Calcium?

Back

160 grams

Front

How many molecules of sugar (C6H12O6) are in one mole?

Back

6.02 x 10^23 molecules

Front

Define 'mole' in chemistry.

Back

A mole is a unit that measures the amount of a substance, defined as containing exactly 6.022 x 10^23 particles (atoms, molecules, etc.).

Front

What is the relationship between moles and molar mass?

Back

Molar mass is the mass of one mole of a substance, expressed in grams per mole (g/mol).

Front

How do you calculate the number of moles from mass?

Back

Number of moles = mass (g) / molar mass (g/mol).

Front

What is Avogadro's number?

Back

Avogadro's number is 6.022 x 10^23, representing the number of particles in one mole of a substance.

Front

What is the molar mass of water (H2O)?

Back

18.02 g/mol