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CBSE Class 9 Answered

calculate the % compositing in terms of mass of solutio
Asked by MANREET SINGH Boparai | 27 May, 2011, 02:49: AM
answered-by-expert Expert Answer
25% means 25 gms in 100 gms of soln
thus we have 75 gms
40% means 40 gms in 100 gms of soln
hence we have 160 gms

Total Mass of solute in the soltuion is 235 gms
the total mass of soltuion is 700 gms
thus mass percentage is 33.5
Answered by | 01 Jun, 2011, 11:18: PM

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