Amount of Substance 1.2

What is Avagadros number?

6.022× 10 ^ 23

What is the equation to calculate the number of particles in a substance?

Number of particles=Avagadros number x Number of moles

What is the equation to find the number of moles?

Number of moles= mass/Mr or Ar

What is the equation to calculate the number of moles of a substance in a solution?

Number of moles= concentration/volume

How do you convert cm³ into dm³

Divide by 1000

What is the ideal gas equation?

pV=nRT

P pressure (Pa)

V volume (m³)

n number of moles

R gas constant 8.31 JK ^-1 mol ^-1

T temperature (Kelvins+273)

What are the standard conditions?

Pressure is 100KPa

Temperature 298 K

Give the full ionic equation of reaction of sulfuric acid and potassium hydroxide

What range do your results need to be in order to be concordant?

0.1cm³

Definition of Empirical formula

The simplest whole number ratio of elements in a compound

What is the equation for percentage yield?

Percentage yield= actual yield/ theoretical yield X 100

What is the equation for atom economy?

Atom economy = molecular mass of desired product / sum of molecular masses of all reactants or products X 100