Mole Concept

What is a mole in chemistry?

• A mole is a type of chemical reaction.

• A mole is a unit that represents 6.022 x 10^23 particles of a substance.

• A mole is a measure of temperature in chemistry.

• A mole is a unit of mass equivalent to one gram.

How many particles are in one mole of a substance?

• 1.2 x 10^24

• 6.022 x 10^23

• 3.14 x 10^22

• 5.67 x 10^23

What is the empirical formula of a compound with 4 carbon and 10 hydrogen atoms?

• C3H8

• C2H6

• C2H5

• C4H10

If the molecular formula of a compound is C6H12, what is its empirical formula?

• CH2

• C3H6

• C2H4

• C4H8

If the molecular formula of a compound is C6H12O6, what is its empirical formula?

• CH2O

• C3H6O3

• C2H4O4

• C4H8O4