Question

The simplest formula of a compound containing 50% of element X (atomic mass 10) and 50% of element Y (atomic mass 20) is
(a) XY
(b) XY₃
(c) X₂Y
(d) X₂Y₃

Answer 1

Answer:X2Y

Explanation:

Moles of X: 50/10=5

Moles of Y: 50/20=2.5

X:Y=5/2.5=2:1

Therefore, X2Y