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# Molar ratio doubt.

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1. I'm getting a little confused rounding up molar ratio...

Molar ratio
C : H : O
2.1 : 5.8 : 1
2 or 3? : 6 : 1

and another question...

When do we multiply
like eg.
C : H
0.1 : 0.2
1 : 2 and not 1 : 1?
2. (Original post by ihaspotato)
I'm getting a little confused rounding up molar ratio...

Molar ratio
C : H : O
2.1 : 5.8 : 1
2 or 3? : 6 : 1

Your lowest number is an integer so you must multiply the others by the smallest number that gives both as integers.... in this case by 10.

BUT I suspect that your values have already been 'rounded'. What is the original question?

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