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Suppose the elements ( X ) and ( Y ) combine to form two compounds ( X Y _ { 2 } ) and ( X _ { 3 } Y _ { 2 } ). When 0.1 mole of ( X Y _ { 2 } ) weighs 10 g and 0.05 mole of ( X _ { 3 } Y _ { 2 } ) weighs 9 g , the atomic weights of ( X ) and ( Y ) are

Options

A.40,30
B.60,40
C.20,30
D.30,20

Correct Answer

C. 20,30

Exam
NEET
Language
English
Year
2016
Difficulty
1/5
Section
Chemistry

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