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Chemistry · 2018 · May · Paper 2 · HL · TZ2 · Question paper

ChemistryQuestion paper2018HLMay

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This question paper is listed under Chemistry in the 2018 examination archive. Its catalogue level is HL. The catalogue session is May. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.

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24EP01 [Personal identifier removed]  Write your session number in the boxes above.  Do not open this examination paper until instructed to do so.  Answer all questions.  Answers must be written within the answer boxes provided.  A calculator is required for this paper.  A clean copy of the chemistry data booklet is required for this paper.  The maximum mark for this examination paper is [95 marks]. Chemistry Higher level Paper 2 24 pages Wednesday 16 May 2018 (afternoon) 2 hour 15 minutes © International Baccalaureate Organization 2018 M18/4/CHEMI/ HP2/ENG/TZ2/XX 2218 – 6114 Answer all questions. Answers must be written within the answer boxes provided. 1. A student determined the percentage of the active ingredient magnesium hydroxide, Mg(OH)2, in a 1.24 g antacid tablet. The antacid tablet was added to 50.00 cm3 of 0.100 mol dm−3 sulfuric acid, which was in excess. (a) Calculate the amount, in mol, of H2SO4. [1] .......................................................................... .......................................................................... (b) Formulate the equation for the reaction of H2SO4 with Mg(OH)2. [1] .......................................................................... .......................................................................... (c) The excess sulfuric acid required 20.80 cm3 of 0.1133 mol dm−3 NaOH for neutralization. Calculate the amount of excess acid present. [1] .......................................................................... .......................................................................... .......................................................................... (d) Calculate the amount of H2SO4 that reacted with Mg(OH)2. [1] .......................................................................... .......................................................................... .......................................................................... (This question continues on the following page) 24EP02 – 2 – M18/4/CHEMI/ HP2/ENG/TZ2/XX
File information
Subject
Chemistry
Document type
Question paper
Year
2018
Session
May
Level
HL
Paper
2
Examination zone
TZ2
Language
Not labelled in the archive
File size
1.6 MB
Pages
24
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