Hey, I guess I posted this in the wrong string first I didn't notic the homework helper until after I put it in the chem forum. I have a question... it is actually from my homework. I am trying to figure out what exactly this problem is wanting. I am thinking a proportion of Carbon and Oxygen. 2.35) In addition to Carbon Monoxide (CO) and carbon dioxide (CO2), there is a third compound of carbon and oxygen called carbon suboxide. If a 2.500g sample of carbon suboxide contains 1.32g of C and 1.18g of O, show that the law of multiple proportions is followed. I have been working on this for a good portion of the day and I can't seem to figure out what it really wants. It also confuses me why they would put Carbon Monoxide and Carbon Dioxide with it unless it has something to do with the problem. Unless it is just extra information. first I was thinking of doing 1.32g/1.18g to get the ratio for carbon suboxide. I am not sure if that is what they are asking for though. The next problem I have to do is 2.37) What is a possible formula for carbon suboxide (problem 2.35)? I am thinking they are wanting C3O2 but I guess I need to show I got that from the last problem.