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Rishabh Dabral Grade: 11
        10 ml of N/2 KOH, 30 ml of N/10 NaOH, 75 ml of N/5 Mg(OH)2 are mixed together. The normality of resulting solution is?

A) .02N
B) .2N
C) 0.5N
D) 0.05 N
6 years ago

Answers : (2)

Shashank Shekhar
33 Points
										

Total Milliequivalents=(10*0.5)+(30*0.1)+(75*0.2)=23


Total Volume=10+30+75=115 ml


Normality=23/115=0.2N


Note---If Normality of Mg(OH)2 is N then normality of Hydroxide ion is also N and not 2N.


           But if molarity of Mg(OH)2 is M then molarity of hydroxide ion is 2M.

6 years ago
DHANARAJ
13 Points
										HEI THERETHE NORMALITY OF FINAL SOLUTION IS DETERMINED BY THE CONCENTRATION OF OH- INFACT ,SO CALCULATING THAT IT COMES OUT TO BE 23 mmol =23m
										
5 months ago
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