Question

what is emperical formula of an oxide of element (E) containing 40precent element by mass​

Answer 1

Answer:

EO3

40/32=1.25 ----element

60/16=3.75-------oxygen

dividing both by 1.25,

we get 1 and 3 respectively.

so empirical formula is EO3....

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Explanation:

Answer 2

Explanation:

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