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The vapour density of an element is 10.75 the new isotopes of the elements are...

The vapour density of an element is 10.75 the new isotopes of the elements are 10atomic number, 20 mass number and 10atomic number, x mass number occuring at 25% in nature and 10atomic, x mass number occuring as 75% in nature. Calculate x?
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Asked by Badrumutiu on 11th September, 2022
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