I need the value of the blank which is the pic
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The gravimetric method for estimation of oxalic acid i.e. titration with KMnO4, R2= 0.997 gave an equation Y= 0.278X + 0.111. The new method for oxalic acid estimation using KMnO4 is described. ... The new method described with oxidation of KMnO4 was found simple, sensitive and more accurate as compared to other methods.
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