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A certain compound has the molecular for...

A certain compound has the molecular formula `X_(4) O_(6)`. If 10g of `X_(4)O_(6)` has `5.72` g `X`, the atomic mass of X is

A

32 amu

B

37 amu

C

42 amu

D

98 amu

Text Solution

Verified by Experts

The correct Answer is:
A
Let the atomic weight of X be x, mole of `X_(4)O_(6)` = mol of X
`implies ("Weight of "X_(4)O_(6))/("Atomic weight of "X_(4)O_(6))=("Wt. of X")/("At. wt. of 4x")implies (10)/(4x+6xx16)=(5.72)/(4x) therefore x=32`
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