JAMB Chemistry 2018 Objective — Question 22
Question 22 of 36 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2018 Objective paper, with the correct answer and a full explanation.
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2.5g of potassium trioxonitrate (V) saturates 20g of water at 25°C. Calculate its solubility in grammes per 100g H₂O
- A. 50.0g
- B. 25.0g
- C. 5.5g
- D. 12.5gCorrect
Explanation
Solubility = (2.5/20)×100 = 12.5g per 100g of water.
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