Question

1. Mole fraction of i2 in benzene solvent is x. The density of solution is d gram per ml. Calculate the molarity and molality of the solution.
2. 2.78 gram f e s o4. X H2O in ml solution gives 0.1 M solution. WHAT IS VALUE OF X.
3. A SAMPLE OF 10 LITRE WATER CONTAINS 80 PPM Ca2+. Another sample of 20 litre water contains 40 PPM Ca2+. Both the samples are mixed. Calculate the strength of Ca2+(in ppm) in the resulting sample.

Answer 1

Answer:

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