How to Calculate the Percentage Composition of a Compound?

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SUMMARY

The discussion focuses on calculating the percentage composition of a compound based on the decomposition of a sample containing carbon (C), oxygen (O), and hydrogen (H). The provided weights are 48 g of C, 0.1264 g of O, and 0.0158 g of H. Participants highlight that the calculation requires clarity on whether the original substance includes oxygen, which is critical for accurate percentage composition determination.

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A simple of an unknown with plants decomposition of the sample produces 0.09. 48 G of C , 0.1264 g of O and 0.0158 g of H . What is the % composition of the compound ?
 
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donniemsb_12 said:
A simple of an unknown with plants decomposition of the sample produces 0.09. 48 G of C , 0.1264 g of O and 0.0158 g of H . What is the % composition of the compound ?

Looks to me like there is not enough information - are you told whether the original substance contains oxygen, or not?
 
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