DP Chemistry (first assessment 2025)

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Question 21M.1A.SL.TZ1.1

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ1.1
Level SL Paper 1A Time zone TZ1
Command term Solve Question number 1 Adapted from N/A
1.
[Maximum mark: 1]
21M.1A.SL.TZ1.1

Which contains the most atoms of oxygen?

A.  64 g of O2

B.  1.2 × 1024 molecules of O2

C.  64 g of C3H5O3

D.  1.2 × 1024 molecules of C3H5O3

[1]

Markscheme

D

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