Mole and molar mass

Front

What is Avogadro's number?

Back

6.02 x 10^23 particles per one mole of a substance.

Front

Calculate the mass of 5.22 mol of helium.

Back

20.9 g.

Front

Convert 5.62 g of Kr to mol Kr.

Back

0.0671 mol.

Front

Molar mass is in units of ________.

Back

grams.

Front

Which represents the greatest mass of sulfur?

Back

6.02 x 10^23 atoms of sulfur.

Front

What is the definition of molar mass?

Back

The mass of one mole of a substance, typically 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 the molar mass of carbon (C)?

Back

12.01 g/mol.

Front

How many grams are in 2 moles of water (H2O)?

Back

36.02 g.

Front

What is the relationship between moles and particles?

Back

1 mole of any substance contains Avogadro's number (6.02 x 10^23) of particles.