The simplest formula of the compound containing 50% X (atomic mass 10 amu) and 50% Y (atomic mass 20 amu) is

Question

The simplest formula of the compound containing 50% X (atomic mass 10 amu) and 50% Y (atomic mass 20 amu) is, X Y 2, X 2 Y, X 2 Y 3, X Y 3

MARKS App · Accepted Answer

Element % Atomic ratio Simplest ratio X 50 50 10 = 5 5 2.5 = 2 Y 50 50 20 = 2.5 2.5 2.5 = 1 So formula = X 2 Y .

Element	%	Atomic ratio	Simplest ratio
X	50	$\frac{50}{10} = 5$	$\frac{5}{2.5} = 2$
Y	50	$\frac{50}{20} = 2.5$	$\frac{2.5}{2.5} = 1$