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A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Oct/Nov 2019 · Q251 Mark

What is the smallest amount of oxygen molecules needed for the complete combustion of 40.0 g of methanol?

A1.88 moles
B2.50 moles
C3.75 moles
D5.00 moles

✓ Correct answer

A: 1.88 moles

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About this question

Topic
Atoms, molecules and stoichiometry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 2, question 25.

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