Thursday
April 17, 2014

Homework Help: Chemistry

Posted by Anonymous on Sunday, October 7, 2012 at 10:45pm.

In a certain mixture, one compound may be decomposed by heating, releasing 0.78 gram of oxygen. It is calculated that the oxygen makes up 21.5% of the compound. If the total mixture has a mass of 8 grams, what percentage of the mixture is the original compound that was decomposed?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - An 8.00-gram sampleyields 1.64grams of Zinc when the compound is ...
Chemistry - A compound decomposed by first order rxn. The concentration of ...
Science/chemistry - Is PO3 a mixture or compound. Is MgCl a mixture or compound...
Chemistry - Organic chemistry: an attempt at synthesizing a certain optically ...
Chemistry - Are the following compounds or mixtures? Please help to check the ...
science - 3) Some ionic compounds contain a mixture of different charged cations...
Chemistry - If the gas chromatograph is polar, and a mixture of a polar compound...
Chemistry - 100g of a clear liquid is evaporated and a few grams of white ...
Chemistry - Is Bronze an element, compound, heterogenous mixture or homogenous ...
chemistry - Is titanium an elemnt, compound, heterogenus mixture ,or homogenous ...

Search
Members