Question

How many coulumbs are required to produce 80gm of ca from molten cacl2

Answer 1

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Answer:

1 Faraday is used to produce 20 grams of calcium from cacl2.

Explanation:

since cacl2=ca2+ + 2 cl-

ca2+ +2e- = ca

so 2 moles of electrons are required to produce 1 mole of calcium Or 40 grams of calcium

so 1 mole of electrons are required to produce 20 grams of calcium.