An unsaturated solution is made by completely dissolving 20.0 grams of NaNO3
in
100.0 grams of water at 20.0°C.
56 In the space in your answer booklet, show a correct numerical setup for calculating the
number of moles of NaNO3
(gram-formula mass = 85.0 grams per mole) used to make
this unsaturated solution. [1]
57 Determine the minimum mass of NaNO3
that must be added to this unsaturated
solution to make a saturated solution at 20.0°C. [1]
58 Identify one process that can be used to recover the NaNO3
from the unsaturated

Question

An unsaturated solution is made by completely dissolving 20.0 grams of NaNO3
in
100.0 grams of water at 20.0°C.
56 In the space in your answer booklet, show a correct numerical setup for calculating the
number of moles of NaNO3
(gram-formula mass = 85.0 grams per mole) used to make
this unsaturated solution.    [1]
57 Determine the minimum mass of NaNO3
that must be added to this unsaturated
solution to make a saturated solution at 20.0°C.   [1]
58 Identify  one process that can be used  to recover the NaNO3
from the unsaturated

anonymous · Answer

help plzz i don't get how to do 57 and 58