A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · May/June 2011 · Q111 Mark
0.144 g of an aluminium compound X react with an excess of water, to produce a gas. This gas burns completely in O2 to form H2O and 72 cm³ of CO2 only. The volume of CO2 was measured at room temperature and pressure. What could be the formula of X? [C = 12.0, Al = 27.0; 1 mole of any gas occupies 24 dm³ at room temperature and pressure]
AAl2C3
BAl3C4
CAl4C3
DAl5C3
✓ Correct answer
C: Al4C3
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Atoms, molecules and stoichiometry and see which topics are most likely to come up next.
Sign up free →