15.00 mL sample of a solution is 0.04 M in Sn2+ and xM in Fe2+. Bot

1.	15.00 mL sample of a solution is 0.04 M in Sn2+ and xM in Fe2+. Both are easily oxidised by Cr2O72− in acidic solution to Sn4+ and Fe3+ and itself reduced to Fe3+. 18.0 mL of 0.125 M Cr2O72− is required. Thus, x is:
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15.00 mL sample of a solution is 0.04 M in Sn2+ and xM in Fe2+. Both are easily oxidised by Cr2O72− in acidic solution to Sn4+ and Fe3+ and itself reduced to Fe3+. 18.0 mL of 0.125 M Cr2O72− is required. Thus, x is:

Answer»

which class

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