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An oxide of the element contains $20 \% \mathrm{O}_{2}$ by weight. Calculate the equivalent weight of the element.
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Verified Answer
The correct answer is:
32
Gram equivalent of element $=$ Gram equivalent of $\mathrm{O}_{2}$ $\frac{80}{E}=\frac{20}{8}$
$$
E=32
$$
$$
E=32
$$
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