Elements Xand Y form a compound by combining in the ratio 1:2 by mass.If their relative atomic mass are in ratio 2:1,then find the simplest ratio in which they combine?

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Solution

X Y
1 : 2 ( mass)
2: 1 ( relative mass)
Total mass = 3 x
X= 33.3%
Y = 66.6%
33.3 / 2 x , (33.3 / 2 x ) x (2x/33.3)= 1
66.6/x , ( 66.6/x )/(x/66.6) = 2
So, formula will be XY₂ hence ratio will be 1:2.

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Elements Xand Y form a compound by combining in the ratio 1:2 by mass.If their relative atomic mass are in ratio 2:1,then find the simplest ratio in which they combine?

X Y1 : 2 ( mass)2: 1 ( relative mass)Total mass = 3 xX= 33.3%Y = 66.6%33.3 / 2 x , (33.3 / 2 x ) x (2x/33.3)= 166.6/x , ( 66.6/x )/(x/66.6) = 2So, formula will be XY2 hence ratio will be 1:2.

X Y
1 : 2 ( mass)
2: 1 ( relative mass)
Total mass = 3 x
X= 33.3%
Y = 66.6%
33.3 / 2 x , (33.3 / 2 x ) x (2x/33.3)= 1
66.6/x , ( 66.6/x )/(x/66.6) = 2
So, formula will be XY₂ hence ratio will be 1:2.