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Grade 12Inorganic Chemistry

I need the method of solving this problem so pls do help me

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Profile image of Prithvi
8 Years agoGrade 12
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1 Answer

Profile image of Raghulal Prajapati
ApprovedApproved Tutor Answer8 Years ago
actually active mass is so complicated. so we always find molarity and that is active mass .
for this question n= 7/28=1/4 
and m=n/v
m=1/4/2 = 1/8 . and this is active mass