Redox and Equivalent ConceptMedium
Question
When a metal carbonate is treated with excess of dilute sulphuric acid, the weight of metal sulphate formed is 1.43 times the weight of carbonate reacted. What is the equivalent weight of metal?
Options
A.23
B.20
C.39
D.12
Solution
neq metal carbonate = neq metal sulphate
Or $\frac{w}{E + 30} = \frac{1.43w}{E + 48}\therefore E = 11.86$
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