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Chemical analysis of an unknown compound gives a molar mass of 334 g/mol and a percentage composition...

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Chemistry

  1. Chemical analysis of an unknown compound gives a molarmass of

334 g/mol and a percentage composition of 75.42% carbon,6.63% hydrogen,

8.38% nitrogen, and the rest is oxygen. Calculate theempirical and molecular

formulas for the unknown compound.

2.) Write a balanced chemical equation for the completecombustion of

pentane (C5H12). If 100.00 g of pentane are combusted inexcess O2, what mass

of CO2 would be released to the atmosphere?


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