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CHEM$-120$

$Hi,$ afnan alsubaey

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$A{s}_2{O}_{3}A{s}_2{O}_3+Mn{O}_4^{-}+H^{+}+H_{2}O{H}_{3}As{O}_4+M{n}^{2+}99\mathrm{.}76\%A{s}_2{O}_{3}0\mathrm{.}02140MKMn{O}_4(aq)V_{KMn{O}_4}=mL=2182157718KMn{O}_4(aq)$ were standardized $by$ reaction with $A{s}_2{O}_3$

$A{s}_2{O}_3+Mn{O}_4^{-}+H^{+}+H_{2}O{H}_{3}As{O}_4+M{n}^{2+}(not$ balanced$).$

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