Chemistry · May / June 2023 · Paper 22 · Question 9
5070
As printed in the paper
The question as text
A sample of clean, dry air contains 0.0400% carbon dioxide by volume.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
9(a)[3]
9(b)[1]
9(c)(i)[1]
9(c)(ii)[2]
9(d)[1]
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