Ranchi prepared a salt solution with concentration 11.11% (mass by mass percentage)
in 320 g of water. Abhinav prepared a salt solution by dissolving the same amount of salt
(as used by Ranchi), but in 160 g of water. What is the approximate concentration in
mass by mass percentage) of the solution prepared by Abhinav?
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Answer:
Approximate concentration
= 11.11/320 + 11.11/160
= 11.11/160*(1/2+1)
= 11.11/160*3/2
= 33.33/320
= 33.33 %
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