This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.

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Hey 戈日心土火尸土, good to see you again.
This image shows the cover page of a West African Senior School Certificate Examination (WASSCE) paper.
Here's a summary of the information presented:
• Exam Title: WASSCE (SC) 2026 • Subject: Chemistry 3 • Paper Type: Practical Alternative A • Duration: 2 hours • Total Marks: 50 marks
Instructions to Candidates: • Write your surname, other names, centre number, and candidate's number in the spaces provided at the top of the booklet. • Write your full name in the designated space on pages 3, 5, and 7. • Answer all questions. • Write boldly and legibly in ink (blue or black). • Use a 2B pencil for drawings. • Write answers in the spaces provided and do not write beyond them. • Do not write more than one answer on a line. • Do not write on the bar codes at the bottom of the pages. • Do not tear off any part of the booklet, as it is considered examination malpractice.
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Hey 戈日心土火尸土, good to see you again. This image shows the cover page of a West African Senior School Certificate Examination (WASSCE) paper.
This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.