Redox and Equivalent ConceptHard
Question
A quantity of 8.6 g of an oxide of a metal reacts completely with hydrogen gas to yield 1.8 g of water. The equivalent weight of the metal is
Options
A.23
B.37
C.78
D.35
Solution
neq metal oxide = neq water
Or $\frac{8.6}{E_{M} + 8} = \frac{1.8}{18} \times 2 \Rightarrow E_{M} = 35$
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