Post-UTME Chemistry 2005 Objective — Question 8
Question 8 of 27 from the Post-UTME Screening (Post-UTME) Chemistry 2005 Objective paper, with the correct answer and a full explanation.
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Lead forms two chlorides. The ratio of chloride atoms in the two chlorides is 1:2. If the mass of chlorine in the second chloride is 42.0g, find the mass of chlorine in the first compound
- A. 71g
- B. 72g
- C. 21gCorrect
- D. 73g
Explanation
Since the ratio is 1:2, the first chloride contains half the chlorine mass of the second: 42/2 = 21g.
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