-.- 發問時間: 科學化學 · 1 0 年前

幫我解這題分析化學問題@@

KMnO4 is used as the titrant in a potentiometric titration of tin(II) to tin(IV), using a S.C.E. reference electrode. After the equivalence point, you would calculate the cell voltage using the potentials of:

a) the MnO4- / Mn2+ couple and the S.C.E.

b) the Sn4+ / Sn2+ couple and the S.C.E.

c) the MnO4- / Mn2+ couple and the Sn4+ / Sn2+ couple.

請幫幫忙...給我詳解吧!!

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