concentrations sc14c Flashcards
1
Q
State the meaning of the term
concentration.
A
the amount of substance in a certain volume of solution
2
Q
Calculate concentration in g dm⁻³.
A
concentration (g dm⁻³) = mass of solute (g) ÷ volume (dm³)
3
Q
Calculate concentration in mol dm⁻³.
A
concentration (mol dm⁻³) = number of moles (mol) ÷ volume (dm⁻³)
4
Q
Convert concentration in g dm⁻³ into concentration in mol dm⁻³.
A
divide by the relative formula mass
5
Q
Convert concentration in mol dm⁻³ into
concentration in g dm⁻³.
A
multiply by the relative formula mass
