a compound has a molar mass of 129 g/mol if its empirical formula is C2H5N then what is the molecular formula

Given :

A compound has a molar mass of 129 g/mol .

Empirical formula of compound is C₂H₅N .

To Find :

The molecular formula of the compound.

Solution :

Empirical mass of compound :

Now, n-factor is :

Multiplying each atom in the formula by 3 , we get :

Molecular Formula, C₆H₁₅N₃

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates