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The Mw of a oxide of an element is 44. T...

The `Mw` of a oxide of an element is 44. The `Ew` of the element is 14. The atomic weight of the element is

A

14

B

28

C

42

D

56

Text Solution

Verified by Experts

The correct Answer is:
A
Let the formula of oixde `= M_(2) O_(x) = 44`
`2 xx M + x xx 16 = 44`
`2 (E xx x ) + xx 16 = 44`
`2(14 xx x) + 16x = 44`
`:. X = 1`
Atomic weight `= 14 xx 1 = 14`
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