Paper 1 Equations

Question 1

What is Avogadros number?

Answer 1

6.02 x 10^23 is 1 mole

Question 2

Mole Equation

Answer 2

Mass= mr x mole

Question 3

Concentration g/dm^3

Answer 3

conc= mass/volume

Question 4

concentration mol/dm^3

Answer 4

conc= moles/volume

Question 5

gas volume

Answer 5

volume= moles x 24

Question 6

How many cm is 1dm?

Answer 6

1000cm = 1dm

Question 7

percentage yield

Answer 7

(mass of actual product made/theoretical yield) x 100

Question 8

atom economy

Answer 8

(mass of desired products/mass of reactants) x100

Question 9

rate of reaction

Answer 9

amount of reactant/ time OR amount of products/time

Question 10

chromatography

Answer 10

Rf= distance moved by substance/distance by solvent