1. Tardigrade
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  3. Chemistry
  4. 50 mL 10 NH 2 SO 4, 25 mL 12 N HCl and 40v mL 5 N HNO 3 were mixed together and the volume of the mixture was made 1000 mL by adding water. The normality of the resultant solution will be

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Q. $50\, mL\, 10\, NH _{2}\, SO _{4}, 25\, mL \, 12\, N HCl$ and $40v mL\, 5\, N$ $HNO _{3}$ were mixed together and the volume of the mixture was made $1000 \, mL$ by adding water. The normality of the resultant solution will be

Chhattisgarh PMTChhattisgarh PMT 2005

Solution:

Milli equivalents of $H _{2} SO _{4}$
$=N \times V=10 \times 50=500$
Milli equivalents of $HCl$
$=N \times V=12 \times 25=300$
Milli equivalents of $HNO _{3}$
$=N \times V=5 \times 40=200$
Total milli equivalents
$=500+300+200=1000$
Total volume $=1000 \,mL$
Milli equivalents $=N \times V$
$1000=N \times 1000$
$N=\frac{1000}{1000}=1 \,N$