Question:
The chromate ion present in water sample is reduced to
Last updated: 7/4/2023
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The chromate ion present in water sample is reduced to insoluble chromium hydroxide Cr OH 3 by dithionation in basic solution S 02 CrO2 2H O2SO3 Cr OH 3 OH 100 L of water requires 387 g of Na S O The molarity of CrO2 in waste water is 1 0 0448 3 0 0148 2 4 448 4 0 0224