June 2023 NY Regents Chemistry Exam
41 Based on Table G, which compound is less soluble in water as the temperature increases from 0°C to 100°C? (1) KNO3
(2) NH3
(3) KClO3
(4) NH4Cl
Solution: The question is asking us to find a compound whose solubility decreases as the temperature increases. We need to find a line for each compound in Table G and trace it from lower to higher temperature to see if it is decreasing or not.
Answer: 2
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