Question

3. To make a saturated solution,
36 g of sodium chloride is dissolved
in 100 g of water at 293 K.
Find its concentration at this
temperature.
​

Answer 1

Answer:

Mass of solute (sodium chloride) =36g

Mass of solvent (water) =100g

Mass of solution = Mass of Solute + Mass of solvent

                           = 36g +100g = 136g

concentration = mass of solute / mass of solvent × 100

so , concentration = 36grm/136grm ×100

                               =26.47 %

Answer 2

$Mass of sodium \: chloride (solution) = 36 g \: Mass \: of \: water (solvent) = 100 g \: Total \: mass of solution = 100 + 36 = 136 g \: Mass \: percentage \: of solution= mass \: of \: solute \: / \: mass \: of solution X 100 =36/136x100 = 26.47%Massofsodiumchloride(solution)=36gMassofwater(solvent)=100gTotalmassofsolution=100+36=136gMasspercentageofsolution=massofsolute/massofsolutionX100=36/136x100=26.47\%$