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What volume of 0.10 M H2SO4 must be added to 50ml of a 0.10 M NaOH solution to make a solution in which the molarity of the H2SO4 is 0.050 M? Sir, Please answer fast .
What volume of 0.10 M H2SO4 must be added to 50ml of a 0.10 M NaOH solution to make a solution in which the molarity of the H2SO4 is 0.050 M?  Sir, Please answer fast .

```
3 years ago

Arun
25768 Points
```							2 NaOH + H2SO4 → Na2SO4 +2H2OThus, first we would have to neutralize the NaOH before H2SO4 can accumulate in the system.For that, we can use N1V1=N2V2Normality of H2SO4=2*molarity=0.2NFor NaOH=0.1NThus, for neutralization,V=0.1*50/0.2=25mlThus at this point, solution volume=75ml and molarity of H2SO4 is 0MNow whatever we add will be free H2SO4Molarity=0.1M of solution addedThus if V volume more is added the new molarity of the solution will be,(0.1*V)/(75+V)We have to find V at which this is 0.05Thus solving,(0.1*V)/(75+V)=0.05Implies V=3.75/0.05=75ml
```
3 years ago
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