Question

2. Consider the following reaction sequence:
CaCl(aq) + CO,(9) + H,0 Caco,(s) + 2HCl(aq)
CaCO3(s) heat, CaO(s) + H2O(g).
If the percentage yield of the 1st step is 80% and
that of the 2nd step is 75%, then what is the
expected overall percentage yield for producing
CaO from CaCl?
(1) 50%
(2) 70%
(3) 55%
(4) 60%​

Answer 1

Explanation:

Consider the following reaction sequence:

CaCl(aq) + CO,(9) + H,0 Caco,(s) + 2HCl(aq)

CaCO3(s) heat, CaO(s) + H2O(g).

If the percentage yield of the 1st step is 80% and

that of the 2nd step is 75%, then what is the

expected overall percentage yield for producing

CaO from CaCl?

(1) 50%

(2) 70%

(3) 55%✓✓✓✓

(4) 60%

Answer 2

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