7
AssignmentMultiple Choice

Solutions and Solubility

Question 7 • HCISD-Integrated Physics and Chemistry A-CR SUMMER

The solubility of glucose at 30°C is 125 g/100 g water. A solution is made by adding 250 g of glucose to 100 mL of water at 30°C. Remember that 1 g water = 1 mL water. How would you classify this type of solution?heterogeneoussaturatedsupersaturatedunsaturated

Answer
A
heterogeneous
B
saturated
C
supersaturated
D
unsaturated

Explanation

Since 1 mL of water has a mass of 1 g, 100 mL is 100 g of water. At 30°C, that amount of water can dissolve 125 g of glucose, but 250 g is added, so some glucose remains undissolved. The solution is saturated because it has dissolved as much glucose as it can at that temperature.

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