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Date November 2010 Marks available 1 Reference code 10N.1.sl.TZ0.2
Level SL Paper 1 Time zone TZ0
Command term Question number 2 Adapted from N/A

Question

On analysis, a compound with molar mass \({\text{60 g}}\,{\text{mo}}{{\text{l}}^{ - 1}}\) was found to contain 12 g of carbon, 2 g of hydrogen and 16 g of oxygen. What is the molecular formula of the compound?

A.     \({\text{C}}{{\text{H}}_{\text{2}}}{\text{O}}\)

B.     \({\text{C}}{{\text{H}}_{\text{4}}}{\text{O}}\)

C.     \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{4}}}{\text{O}}\)

D.     \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{4}}}{{\text{O}}_{\text{2}}}\)

Markscheme

D

Examiners report

[N/A]

Syllabus sections

Core » Topic 1: Stoichiometric relationships » 1.3 Reacting masses and volumes
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