A solution is made at room temperature containing 90 g of NaCl and 200 g of water. It is brought to a temperature of 50°C. What are you most likely to see? (Select all that apply.)

Question

A solution is made at room temperature containing 90 g of NaCl and 200 g of water. It is brought to a temperature of 50°C. What are you most likely to see? (Select all that apply.)
A. a solution with a few crystals at the bottom
B. all the solid dissolve
C. a colorless solution
D. a solution with all 90 g of the crystals lying at the bottom of the container

DrBob222 · Answer

According to the Internet, the solubility of NaCl is 37.0 g/100 mL water at 50 degrees C. Therefore, the water can hold 74.0 g NaCl. B and C should be true. A and D are not true.