Question

6 gram Salt is dissolved in 250 gram water find out molarity of the sol^n (m sal = 60)​

Answer 1

Solution

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Correct option is A)

3 g of a salt of molecular weight 30 is dissolved in 250 g of water. The expression for the molarity of the solution is

Molality(m)=  

molar mass of salt

mass of salt

​

×  

mass of water

1

​

 

Substituting values in the above expression, we get

m=  

30

3

​

×  

250

1

​

×1000=0.4

The molality of the solution is 0.4.

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