Topic 3 - Calculating Volume (Paper 2)

Question 1

how much dm³ does one mole of any gas occupy?

Answer 1

one mole of any gas always occupies 24dm³

Question 2

how do you calculate volume with the moles of a gas?

Answer 2

volume = moles of gas x 24

Question 3

how would you calculate the volumes in reactions if you know the mases?

Answer 3

calculate the moles of the substance with the given mass
find the moles of gas using the equation
convert using the volume equation