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Grade: 12
        A sample of na2co3. Weighing 0.62 g is added to 100 ml of 0.1 N( NH4)SO4 solution. What will be the reaulting solutionAcidic.  Basic.  Neutral
one year ago

Answers : (1)

Arun
21006 Points
							

On adding sodium carbonate to sulphuric acid, following reaction takes place:

Na2CO3. H2O + H2SO4 ----> Na2SO4 + CO2 + H2O

 

Now, we will determine normality of sodium carbonate.

The equivalent wt. of sodium carbonate (E) = 62g

Given weight of sodium carbonate (W) = 0.62g

Applying the formula,

W = N*E*V/1000

 

We get,

 
N = 0.62*1000/62*100
 
Since normality of both the solutions is same.
Hence resulting solution will be neutral.
 
 
Regards
Arun (askIITians forum expert)

 

one year ago
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