Question

A compound of X and Y has equal mass of them if their atomic weight are 30 and 20 respectively. Molecular formula of that compound

Answer 1

X2Y3 IS THE MOLECULAR FORMULA FOR THE GIVEN COMPOUND

Answer 2

Answer: The molecular formula of the compound is $X_2Y_3$

Explanation:

Atomic mass of the X = 30 amu

Atomic mass of the Y = 20 amu

Let the molecular formula of the compound be $X_aY_b$

Compound of X and Y has equal mass of them

$30\times a=20\times b$

$a=\frac{2}{3}b$

$X_{\frac{2}{3}b}Y_b=X_2Y_3$

The molecular formula of the compound is $X_2Y_3$