Question #1c383

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Answer 1 · 2017-05-17T07:00:33

$CH_2O$

Carbon weight=12 grams
Hydrogen weight=1 gram
Oxygen weight=16 grams

C to H ratio (mass)=6
Therefore for each carbon, you have two units of hydrogen
( $12/2=6$ ).

So far it is $CH_2$ but also you have oxygen.

C to O ratio is $3/4$
Since for 1 Carbon (12 grams), you need some oxygen:
$C/O=3/4$
where C=12 grams (for one mole)

$O=(12*4)/3$
$O=16$ grams

Exactly Oxygen has a weight of 16 grams per mole.

Therefore your formula for this case is;

$CH_2O$

where you have a molecular weight of 30 grams per mole.

Your formula is $CH_2O$