Calculations(Concentration, Mass, Volume)

Question 1

What is the formula for calculating concentration in g/dm3?

Answer 1

Concentration in mol/dm3 x Mr

Question 2

What is the formula for calculating the volume of gases at room temp.?

Answer 2

1 mole of any gas will occupy 24dm3
Volume of gas = moles x 24

Question 3

What is the formula for calculating the mass of solids?

Answer 3

Mass = moles x molar mass (Mr)

Question 4

What is the formula for calculating moles using mass and molar mass?

Answer 4

Moles = mass of sample / molar mass