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The oxide of an element contains 32.33 percent of the element and the vapor density of its chloride is 79.Calculate the atomic mass of the element.


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Mass of element $=32.33$parts
Mass of oxygen =$100-32.33$
$\Rightarrow 67.67$
Equivalent mass of the element =$\large\frac{32.33}{67.67}$$\times 8$
Valency of the element =$\large\frac{2\times vapor\;density}{E+35.5}$
$\Rightarrow \large\frac{2\times 79}{3.82+35.5}$
$\Rightarrow 4$
Hence the atomic mass of the element =$3.82\times 4$
Hence (b) is the correct answer.
answered Oct 23, 2013 by sreemathi.v

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