When 15cm3 of a gaseous hydrocarbon, P, was burnt in 100cm3 of oxygen, the resulting gaseous mixture occupied 70cm3 at room temperature and pressure....

      

When 15cm^3 of a gaseous hydrocarbon, P, was burnt in 100cm^3 of oxygen, the resulting gaseous mixture occupied 70cm^3 at room temperature and pressure. When the gaseous mixture was passed through potassium hydroxide solution, its volume decreased to 25cm^3.
(a) What volume of oxygen was used during the reaction?

  

Answers


john
100 - 25 = 75 cm3

john3 answered the question on October 4, 2017 at 12:18


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