A-LevelChemistryAtoms, molecules and stoichiometryMay/June 2023Paper 3 Q111 Marks
Read through the whole method before starting any practical work. Where appropriate, prepare a table for your results in the space provided. Show the precision of the apparatus you used in the data in record. Show your working and appropriate significant figures in the final answer to each step of your calculations. 1 In this experiment you will determine the relative atomic mass, A,, of metal M by thermal decomposition of its basic carbonate, MCO3•M(OH)2. FB 1 is the basic metal carbonate, MCO3•M(OH)2.
✓ Correct Answer
The correct answer is —. This question tests the candidate's understanding of atoms, molecules and stoichiometry within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep