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Sn2+(aq) + Cr2O7^2- (aq) + 14H+(aq) → 3Sn4+(aq) + 2Cr3+(aq) + 7H2O(l)
Volume = 6.64 mL

The moles of Cr2O7^2-(aq) that reacted, expressed in scientific notation, is a.bc x 10-dmol. The values of a, b, c and d are..?

The concentration of Sn2+(aq), expressed in scientific notation, is a.bc x 10-d mol/L. The values of a, b, c and d are..? (use previous recorded answer to answer this question)

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