Calculations (Papers 1+2)

Question 1

What is the calculation for Atom Economy?

Answer 1

(Mr of desired products / sum of Mr of all products) x100

Question 2

What is the calculation for Percentage Yield?

Answer 2

(Actual yield / Theoretical yield) x100

Question 3

What is one calculation for Moles involving Avogadro’s constant?

Answer 3

Number of particles or atoms / 6.02x10(to the power of 23)

Question 4

What is the calculation for Moles for solids?

Answer 4

Mass / Mr

Question 5

What is the calculation for Moles for solutions?

Answer 5

Concentration x Volume

Question 6

What is the calculation for Moles for gases?

Answer 6

Volume / 24

Question 7

What is the calculation for Rf value?

Answer 7

Distance travelled by solute / Distance travelled by solvent (Rf value is always less than 1)