Asubstance has an empirical formula of ch2br and a molar mass of 188 g mol-1 . what is the molecular formula of the compound?

Answer : The molecular of the compound is,

Explanation :

The Empirical formula =

The empirical formula weight = 1(12) + 2(1) + 1(80) = 94 gram/eq

Now we have to calculate the molecular formula of the compound.

Formula used :

where,

n = valency factor

Now put all the given values in this formula, we get:

Molecular formula =

Therefore, the molecular of the compound is,

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