The equivalent mass of potassium dichromate in the acid medium as per the given equation Cr2O7 2- + 14H+ +6e- 2 Cr3+ +7H2O is
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Answer:
Equivalent mass of potassium dichromate
Explanation:
Cr2O²- + 14H+ + 6e- → 2Cr³+ + 7H2O Equivalent mass = (Molar mass) / (No. of electrons gained) Molar mass of K2Cr2 O7 = 294.18
∴ Equivalent mass of K2Cr2O7
= 294.18/6 = 49.03
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