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1/A pound moles of CaSO4 are used to produce 222 kg of CaCl2. What is the value of A? Assume NaCl in excess.

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1/A pound moles of CaSO4 are used to produce 222 kg of CaCl2. What is the value of A? Assume NaCl in excess.

(a) 127

(b) 227

(c) 327

(d) 427

I have been asked this question in class test.

This intriguing question comes from Stoichiometry-III in chapter Material Balances without Reaction and Material Balances Involving Reactions of Chemical Process Calculation

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Correct choice is (b) 227

Explanation: 1 pound mole of CaSO4 = 1 pound mole of CaCl2.

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