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Date May 2019 Marks available 1 Reference code 19M.1.sl.TZ1.3
Level SL Paper 1 Time zone TZ1
Command term Question number 3 Adapted from N/A

Question

What is the empirical formula of a hydrocarbon with 75 % carbon and 25 % hydrogen by mass?

A. C3H

B. CH2

C. C2H6

D. CH4

Markscheme

D

Examiners report

Well answered and straight forward.

Syllabus sections

Core » Topic 1: Stoichiometric relationships » 1.2 The mole concept
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