Titration Practice Problems

1. A flask containing an ascorbic acid solution was found to require of triiodide solution to reach an endpoint. The triiodide solution used was equivalent to ascorbic acid per 1.00 mL of triiodide solution. How much ascorbic acid was in the flask?
    mg C      Show Me
2. As above, of triiodide solution were required, with a conversion factor of ascorbic acid/mL of I₃^– solution. How much ascorbic acid was in the flask?  mg C      Show Me
3. Calibration of triiodide: a flask of solution containing 10.00 mg of ascorbic acid was found to require of triiodide solution. Give the conversion factor for the triiodide solution used (mg of ascorbic acid/mL triiodide solution).  mg C/mL I₃^–      Show Me
4. Calculate the conversion factor for a triiodide solution of which it took to react with 10.00 mg ascorbic acid.  mg C/mL I₃^–      Show Me
5. An orange has ascorbic acid per 100.00 g. How much vitamin C will there be in a orange?  mg C      Show Me
6. 5.00 mL of orange juice was found to contain of vitamin C. How much vitamin C is in 100.00 mL of orange juice?  mg C      Show Me
7. A 1:1 slurry of kale:dilute HCl solution was found to contain vitamin C per 100.00 mL. How much vitamin C is in 100.00 g of kale, assuming kale weighs 1.00 g/mL?  mg C      Show Me
8. 10.00 mL of a similar solution of kale were found to require of triiodide solution with a conversion factor of vitamin C/mL I₃^– solution.
   1. How much vitamin C is in the 10.00 mL sample?  mg C      Show Me
   2. How much vitamin C would be in a 100.00 mL sample?  mg C      Show Me
   3. How much vitamin C is in 100.00 g of kale?  mg C      Show Me
9. of parsley were blended with of HCl. 10.00 mL of the filtrate required of triiodide solution with a conversion factor of vitamin C/mL I₃^–.
   1. How much vitamin C is in the 10.00 mL sample?  mg C      Show Me
   2. How much vitamin C would be in a 100.00 mL sample?  mg C      Show Me
   3. How many grams of parsley are in 10.00 mL of filtrate?  g parsley      Show Me
   4. How many milligrams vitamin C are in 100.00 g of parsley?  mg C      Show Me

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