Chemistry · Oct / Nov 2023 · Paper 11 · Question 11

5070The mole and the Avogadro constant

The complete combustion of 20 cm³ of a gaseous alkane, X, requires 130 cm³ of oxygen. Both volumes are measured at r.t.p. What could be the identity of X?

Abutane
Bethane
Cmethane
Dpropane

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Correct answer: A. butane

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