Question

a solution is prepared by adding 90 gram of sugar in 200 gram of water. then calculate the concentration percent ​

Answer 1

Given,

Mass of sugar= 40g

Mass of water= 100g

To find :- concentration of sugar in water

Total mass of solution = mass of sugar + mass of water=100g +40g = 140g

percentage of concentration of sugar in solution=

40/140 ×100% =200/7%=28.57% approx

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Answer 2

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Total solution will form :- 90+200=290

Then % of sugar in solution will be :-

$\frac{90}{290} \times 100$

31.03%

Or approx

31% ans...

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