13. Solving a chemistry problem
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13. Solving a chemistry problem
1. To 25.00 ml of hydrogen sulfide solution was added 50.00 ml of 0.0210 N iodine solution. For the titration of excess iodine, 12.00 ml of a 0.019 N sodium thiosulfate solution was used. How many grams of hydrogen sulfide was in the original solution.
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