What mass of salt must be
added to 500 gm of water to
make 20% salt solution
[ Ans. 125 gm ]
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What mass of salt must be
added to 500 gm of water to
make 20% salt solution
[ Ans. 125 gm ]
no spam or I'll report
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Answer:
Mass of water=500g
concentration of solution = 20 %
let mass of salt required be x gm,
since concentration of solution = (mass of solute / mass of solution) × 100
therefore, ATQ, (x/x+500)×100=20
on solving, x/x+500=1/5
5x=x+500
4x=500
x=500/4
x= 125 g
MASS OF SALT=125 g