Chemistry · Some Basic Concepts of Chemistry
A hydrocarbon containing C and H has 92.3% C by mass. When 39 g of this hydrocarbon was completely burnt in O 2 , x moles of water and y moles of CO 2 were formed. The x moles of water formed is sufficient to liberate 0.75 moles of H 2 gas upon reaction with Na metal. What is the weight (in g) of oxygen consumed during the combustion? (Atomic mass: C = 12 u, H = 1 u, O = 16 u)
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