DP Chemistry (last assessment 2024)

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Question 20N.1.sl.TZ0.1

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1.sl.TZ0.1
Level sl Paper 1 Time zone TZ0
Command term Identify Question number 1 Adapted from N/A
1.
[Maximum mark: 1]
20N.1.sl.TZ0.1

What is the molar mass, in gmol-1, of a compound if 0.200mol of the compound has a mass of 13.2g?

A.  66.0

B.  66

C.  26.4

D.  26

[1]

Markscheme

A

Examiners report

70% of candidates correctly found the molar mass of a substance given the mass of 0.200 mol. Good to see that very few were fooled by the same answer but incorrect significant figures.