Principles of Chemistry - Chemical Formulae, Equations and Calculations (Paper 2)

Question 1

how do you carry out calculations involving moles of substance, volume and concentration?

Answer 1

number of moles = concentration x volume

Question 2

how do you carry out calculations involving gas volumes, molar volume of a gas and number of moles?

Answer 2

gas volume = number of moles x molar volume of gas (24dm³ and 24000cm³)

Question 3

how do you convert from dm³ to cm³?

Answer 3

1 dm³ = 1000 cm³