Math, asked by asmi6972, 11 months ago

How much pure alcohol must be added to 500 milli litres of 16 percent solution to make its strength 30percent

Answers

Answered by drwaghsubhash
0

Answer:

Step-by-step explanation:

16% 0f solution means it has 16 millitres of alchol in per 100 mililiters

therefore in 500mL solution tere will be 80 mL of alchol

to make it 30% there must be 30 mL of alchol in per 100 mL

therefore in 500 mL soultion there must be 150 mL of alcohol

therfore alchol added is 150 - 80 = 70mL

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