The simplest formula of a compound containing 50% of element A(atomic mass 10) and 50% of element B(atomic mass 20) is ________ ? I need to know how you did it

Question

anonymous · Answer

The simplest formula is also known as the "empirical formula." I will show you how to do this now.
Since we are not given the number of grams of the compound, we will assume 100 g. This means that there will be 50g of element A and 50 g of element B.
You will then need to convert g to mol using dimensional analysis and the atomic mass. Once you do that, I can walk you through the next step. If you need help with this step, let me know :)

anonymous · Answer

why do you assume 100 grams though? Is that just a rule in chemistry or what?

anonymous · Answer

You don't need to use 100, but percentages are based on 100 so using 100 keeps the math simple.

anonymous · Answer

Ah... RIght, this is finding the simplest ratio, to do so we need Moles, that's why? thanks alot.

anonymous · Answer

@Psychedelic You got it!

pratyush5 · Answer

@wotseit I got it . Thanks to your reply :)  I did It myself. The answer is A2B :)