Q.

Chromium metal can be plated out from an acidic solution containing CrO3 according to the following equation.

CrO3 (aq) + 6H+ (aq) → Cr (s) + 3H2O

Calculate how many grams of chromium will be plated out by 24,000 coulombs.(Approximate) (report the value to nearest integer)

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answer is 2.

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Detailed Solution

526×240096500=2.1554 g2

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