1) A solution of Sn(NOs)2 of unknown concentration can be titrated with a solution of acidified KMnO of known concentration and the concentration of the Sn(NO)2 can be calculated. The unbalanced reaction is... Sn?+ + MnOt + H* -> Sn*+ + Mn?* + HO purple colourless If 42.0 mL of Sn(NOs), are titrated by 18.0 mL of 0.15 M KMnO4 then find the [Sn(NO32].

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