Question

If atomic weight of an element X is 27 g. And its combins with 106.5 g of Chlorine then find the
equivalent weight of the element X is?​

Answer 1

Answer:

Answer

The atomic weight of oxygen is 16. The atomic weight of the element X can be either 7 or 14.

One mole of the oxide will contain one mole (16 g) of oxygen atoms and one mole (14 g, if atomic weight of X is 14) of X atoms. Its formula will be XO.

One mole of the oxide will contain one mole (16 g) of oxygen atoms and two moles (14 g, if atomic weight of X is 7) of X atoms. Its formula will be X

2

O

Thus option C is the correct answer.

Answer 2

Answer:

Let atomic mass of metal x is 'a'

Mass of metal =a×m

Mass of oxygen =16×n

Equivalent mass of element =mass of element/mass of oxygen×8

E=am/16n×8

E=am/2n

⇒a= 2En/m

Explanation:

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