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`        If 4.24 g of mixture of NaCl and Na2CO3 is reacted completely with 25 ml of 0.4 m H2SO4 solution then the percentage of NaCl in the mixture isa. 32 b. 75c. 62d. 45`
3 months ago

Vikas TU
9763 Points
```							a+b = 4.24 g In 25 ml Meq of Na2Co3 = Meq of Hcl = 50 * 1/10= 5 Meq in 250 ml = 50 a/ (106/2)  * 1000 = 50 a = 2.65 b = 4.24 - 2.65 = 1.59 % Nacl = 32% Hope this helps
```
3 months ago
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