Question

[Ans. 20%
g of this
prepared at 25°C. On completely evaporating
solution 5 g of salt was recovered. Calculate per cent of salt solution.
2. Calculate amount of copper sulphate to be dissolved to prepare 500 g of 2% solution by
[Ans. 10 g)
mass. (Atomic mass of Cu = 63.5 u, S = 32 u, O = 16 )
lino in
3. Calculate the amount of solvent needed to pronomo 50 g of 100% polution nfin​

Answer 1

Answer:

of this

prepared at 25°C. On completely evaporating

solution 5 g of salt was recovered. Calculate per cent of salt solution.

2. Calculate amount of copper sulphate to be dissolved to prepare 500 g of 2% solution by

[Ans. 10 g)

mass. (Atomic mass of Cu = 63.5 u, S = 32 u, O = 16 )

lino in

3. Calculate the amount of solvent needed to pronomo 50 g of 100