A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Oct/Nov 2017 · Q21 Mark
Two hydrocarbons have the formulae CwHx and CYHz. W, X, Y and Z represent different whole numbers. [Figure 2.1 - W/X = Y/Z] Which row is correct when comparing the two hydrocarbons?
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Aempirical formula: different, molecular formula: same, relative molecular mass: different
Bempirical formula: different, molecular formula: same, relative molecular mass: same
Cempirical formula: same, molecular formula: different, relative molecular mass: different
Dempirical formula: same, molecular formula: different, relative molecular mass: same
✓ Correct answer
C: empirical formula: same, molecular formula: different, relative molecular mass: different
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