Question

If 1.00 g. of soil taken in 500 ml conical flask (Corning /Pyrex) and add
1N K2Cr207, concentrated H2304, distilled water, ortho-phosphoric acid
and titrate the contents with ferrous ammonium sulphate solution till the
colour changes from blue-violet to green. If Blank Reading 20.1 ml and
Sample reading is 18.6 ml of 0.01 N Sulfamic acid. Calculate the Organic
Carbon in Percentage. *​

Answer 1

Answer:

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Explanation:

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