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ok so Carbon has .0745 mol and hydrogen has .1043 mol. now what do i do?

so would the units be g/mol?

Divide the mol given by 0.745 for both.

0.0745*

so not by the molecular mass?

No. That's for molecular formula. Sorry.

like information to osrt of
"check"

okay so i got 1 for carbon and 1.4 for hydrogen

ok, round to the closest whole number ratio and that's your empirical formula

okay so what about the molecular formula? and so the empirical formula would be just 1 and 1?

You should have: \[\frac{ 546.9g }{ 13.018g }\]

how did you get 13.018?

Well, your empirial formula give is CH.
The total mass of C + H = 13.018 g/ mol

okay so the answer to 546.9g/13.018g is 42.01.

Yep, now multiply that number by your empirical formula to get your molecular formula.

so multiply 42.01 with 1 or 2?

42(empirical formula)

what is the empirical formula though? 1 or 2?

1!

so its just 42.01..

Use whole numbers. So 42.

so thats it?