# Chemistry

Iron forms a series of compounds of the type Fex(CO)y. If you heat any of these compounds in air , they decompose to Fe2O3 and CO2 gas. After heating a 0.142g sample of Fe(CO)y, You isolate the CO2 in a 1.50 L flask at 25 Degrees celsius. The pressure is 44.9 mmHg. What is the formula of Fex(CO)y?

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1. https://yeahchemistry.com/questions/re-empirical-formula-fexcoy

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