1.

16 grams of NaOH is dissolved in 100 grams of water at 25^@ C to form a saturated solution. Find the mass percentage of solute and solvent.Mass of the solute (NaOH) = 16 g Mass of the solvent H_2 O = 100 g

Answer»

Solution :(i) Mass percentage of the solute
Masspercentageof solute =`("Mass of the solute")/("Mass of the solute +Mass of THESOLVENT") XX 100`
`=( 16 xx 100 )/( 16 +100 )=(1600 )/( 116)`
Masspercentageof the solute`= 13.79 % `
(II )Mass percentageof solvent =100 - ( Masspercentageof thesolute )
`=100-13.79 %= 86.21 %`


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