How many kg of pure salt must be added to 30 kg of 2% solution of salt

1.	How many kg of pure salt must be added to 30 kg of 2% solution of salt and water to increase it to 10% solution?
Answer» Amount of salt in 30 kg solution = [(20/100)*30]kg = 0.6 kg Let x kg of pure salt be added Then , (0.6+x)/(30+x)=10/100 60+100x=300+10x 90x=240 x=8/3.

How many kg of pure salt must be added to 30 kg of 2% solution of salt and water to increase it to 10% solution?

Answer»

Amount of salt in 30 kg solution = [(20/100)*30]kg = 0.6 kg

Let x kg of pure salt be added Then ,

(0.6+x)/(30+x)=10/100

60+100x=300+10x

90x=240

x=8/3.

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How many kg of pure salt must be added to 30 kg of 2% solution of salt and water to increase it to 10% solution?

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