Topic 1 - Stoichiometric Relationships

Question 1

Avogadro’s constant

Answer 1

The number of particles in 12g of 12C

6.02 x 10^23

Question 2

Moles (Molar Mass)

Answer 2

Grams / RAMs

Question 3

Concentration

Answer 3

The amount of solute per unit of volume of solution

Question 4

Empirical Formula,

Answer 4

The formula obtained by experiment

Shows the simplest whole number ratio of atoms of each element in a particle of a substance.

Question 5

Structural Formula

Answer 5

Shows the arrangement of atoms and bonds within a molecule.

Question 6

Limiting reagent

Answer 6

The reactant which will determine the theoretical maximum amount of product formed from a reaction

Question 7

Mole

Answer 7

The amount of substance

Contains a specified number of particles equal to Avogadro’s constant.

Question 8

Solute

Answer 8

A substance that is dissolved into another

Question 9

Solvent

Answer 9

A substance that dissolves in another solute

Question 10

Percentage Yield

Answer 10

The experimental yield as a percentage of the maximum theoretical yield (experimental/theoretical)*100