Unit 1: Moles and Equations

Question 0

Definition of molar mass

Answer 0

Mass per mole of a substance.

Question 1

Definition of Avogadro’s Constant

Answer 1

The number of particles per mole. 6.02x10^23

Question 2

Unit of molar mass

Answer 2

g/mol

Question 3

Definition of amount of substance

Answer 3

The quantity whose unit is the mole.

Question 4

Definition of empirical formula

Answer 4

The simplest whole number formula of the atoms of each element in a compound.

Question 5

Definition of molecular formula

Answer 5

The actual number of atoms of each element in a molecule

Question 6

Definition of a mole

Answer 6

The amount of any substance containing as many particles as there are Carbon atoms in exactly 12g of the Carbon-12 isotope.

Question 7

Definition of a standard solution

Answer 7

A solution of known concentration. Standard solutions are normally used in titrations to determine unknown information about another substance.

Question 8

What is the concentration of a concentrated solution?

Answer 8

Greater than 10mol/dm^3