Mole Concepts

Front

What is the molar mass of sodium?

Back

23

Front

What is the molar mass of Hydrogen Peroxide (H2O2)?

Back

34.02 g/mole

Front

How many particles are in a mole?

Back

6.02 x 10^23

Front

The mass of one mole of substance is called...

Back

molar mass

Front

What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?

Back

C6H12O6

Front

Define molar mass.

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

What is Avogadro's number?

Back

6.02 x 10^23, the number of particles in one mole of a substance.

Front

How do you calculate the molar mass of a compound?

Back

Add the molar masses of all the elements in the compound based on their quantities.

Front

What is the empirical formula of a compound?

Back

The simplest whole-number ratio of atoms of each element in a compound.

Front

If the molar mass of water (H2O) is 18 g/mol, what is the mass of 3 moles of water?

Back

54 g (3 moles x 18 g/mol).