A student carries out an inquiry involving the dissolution of sugar in water at different temperatures. The student prepares four cups, each containing 100 mL of water that has been heated to distinct temperatures. Subsequently, she adds 10 grams of granulated sugar to each cup. After allowing time for the sugar to dissolve, she notes the duration it takes for dissolution in each cup. The image presents her findings. The image is of a 4 thermometer in 4 different cups of water. The thermometer is in one of the cups for 4 seconds and 72 on the thermometer. Another one of the thermometer is in one of the cups for 2 seconds and is at 95. Another one of the thermometer's is in the cup for 7 seconds and is at 45. The last thermometer was in the cup for 5 seconds and is at 65. Which conclusion can be drawn from the results?

A. The higher the water temperature, the faster the solute will dissolve.
B. The lower the temperature of the water, the quicker the solute will dissolve.
C. The increased amount of solute added to the water will lead to a lengthier duration for the solute to dissolve.
D. The less solute that is added to the water, the longer it will take the solute to dissolve.

1 answer

Based on the findings presented, we can evaluate the results:

  • The cup with a temperature of 95°C (2 seconds) had the fastest dissolution time.
  • The cup with a temperature of 72°C (4 seconds) had a slower dissolution time than the first.
  • The cup with a temperature of 65°C (5 seconds) took even longer to dissolve the sugar.
  • The cup with a temperature of 45°C (7 seconds) took the longest to dissolve the sugar.

From these observations, it can be concluded that:

A. The higher the water temperature, the faster the solute will dissolve.

This matches the data where higher temperatures correlate to shorter dissolution times. Therefore, the correct conclusion is A.