Three elements, A, Q, and Z, have the molar masses indicated in the table below. Given a compound with a composition of 42.9% A, 18.6% Q and 38.5% Z by mass, what is the empirical formula of this compound?

kuchisake

kuchisake-onna (口裂け女, "slit mouth woman ") is a malevolent figure appearing in japanese ghost stories, possibly dating back to the edo period. she takes the form of a masked woman who approaches people and asks them if they believe she is pretty.

explanation:

pie chart because it is in percents ( % )