Two oxides of an element contain 63.63% and 36.84% of the element. If the formula of the 1st oxide is r2o. find the second.
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Correct option is D)
An element forms to oxides containing different percentages of oxygen this illustrates that a fixed mass of the elements combine to give more than one compound then they would do so in a simple whole number ratio. Hence this illustrates law of multiple proportions.
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