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The relative number of atoms of elements X and Y in a compound is 0.25 and 0.5 . Find empirical formula


vaibhavijoshi44 18th Nov, 2020
Answers (3)
fazilatfatima728 18th Nov, 2020

Hello!

Let

X=0.25 and Y=0.5

Now according to question

LET,         X:Y

0.25:0.5

25:50

1:2

XY2 is your Answer

sapanapatil4561 18th Nov, 2020
Hello student!!

The relative number of atoms of elements, 'X' and Y in a compound is 0.25 and 0.5. The empirical formula of compound is as follow.
Given-
X : Y
0.25 : 0.5
i.e    25 : 50
1 : 2
Hence  XY2
The empirical formula of the compound is XY2


mansiprofessional234 Student Expert 18th Nov, 2020
Let the empirical formula beXaYb

Atoms ofX=0.25X=0.25

Atoms ofY=0.5Y=0.5

% ofX=X=0.25/(0.25+0.5)100=330.25/(0.25+0.5)100=33%

% ofY=Y=0.5/(0.25+0.5)100=670.5/(0.25+0.5)100=67%

Simplest ratio of the two i. E. Empirical formula will be XY2.

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