V=M*mo mol=WT/M.WT
V=M*WT/M.WT IN HERE 1mol=1000 mmol
1L=1000ml
Vml=M(mmol)*WT(gm)/M.WT
EASSY LAW
WT=density*volume(ml)
WT(mg)=? 1mg=1/1000 g
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