Moles

Question 1

Amount of substance

Answer 1

Measured in moles, mol, n

Question 2

One mole

Answer 2

6.02 x 10^23, known as a shafted constant

Question 3

Molar mass

Answer 3

Mass of one mole, same as relative molecular mass

Question 4

Number of moles (particles)

Answer 4

Number of particles you have/number of particles in a mole

Question 5

Number of moles (mass)

Answer 5

Mass of substance/molar mass

Question 6

Concentration

Answer 6

How many moles are dissolved per 1 dm3 of solution - mol dm-3

Question 8

Number of moles (concentration)

Answer 8

(Concentration x volume, in cm3)/1000

Question 9

Ionic equation

Answer 9

Only shows the reacting particles

Question 10

State symbols

Answer 10

Need to be included in every equation, l, s, g, aq

Question 11

Reaction stoichiometry

Answer 11

Given through the balanced equation, this is how many moles of one reactant react with how many moles of another reactant

Question 12

What do balanced equations show

Answer 12

Masses or concentrations as the stoichiometry of a reaction affects the ratios between each of the reactants and products in your reaction

Question 13

1.50 x 10^24 carbon atoms, how many moles of carbon is this

Answer 13

=2.49

Question 14

Find the molar mass of CaCO3

Answer 14

=100.1 g mol-1

Question 15

How many miles of aluminium oxide are present in 5.10 g of Al2O3

Answer 15

=0.05 moles

Question 16

What mass of sodium hydroxide needs to be dissolved to make 50cm3 of 2 mol dm-3 solution

Answer 16

=4g

Question 17

Create the ionic equation of
HNO3 + NaOH -> NaNO3 + H2O

Answer 17

H+ + OH- -> H2O