Interpret the following experimental results. (a) Sodium dithionite, Na 2 S 2 O 4 (0.0261 g) was
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Interpret the following experimental results.
(a) Sodium dithionite, Na2S2O4 (0.0261 g) was added to an excess of ammoniacal AgNO3 solution; the precipitated silver was removed by filtration, and dissolved in nitric acid. The resulting solution was found to be equivalent to 30.0 cm3 0.10 M thiocyanate solution.
(b) A solution containing 0.0725 g of Na2S2O4 was treated with 50.0 cm3 0.0500 M iodine solution and acetic acid. After completion of the reaction, the residual I2 was equivalent to 23.75 cm3 0.1050 M thiosulfate.
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a Interpretation of Experimental Results In this experiment sodium dithionite Na2S2O4 is reacted with an excess of ammoniacal silver nitrate AgNO3 sol...View the full answer
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