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1. |
A combustion reaction has reactants 1 mole of CxHy and 2 moles of O2 and products 1 mole of CO2 and 2 mole of H2O, what is x + y? |
A. | 1 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» E. | |