Astudent was comparing the solubility of equal amounts of table salt and table sugar at different temperatures. the table below shows the four samples that the student used and the temperature of the water that they were dissolved in. which of the samples most likely had the highest solubility?

chemical formula
temperature of water (°c)
1
table sugar
c12h22o11
80
2
table sugar
c12h22o11
45
3
table salt
nacl
55
4
table salt
nacl
63

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7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.

When a scientific theory has been tested and proved by the scientific community, it becomes a law