Question

114. Using the graph above, what is the solubility of potassium chloride in grams per 100 grams of water at 60°C? (1 point)
40 grams
45 grams
50 grams
55 grams
This is the longest ungraded Pre test ever! Please help! Graph below

Answer 1

It's just simply looking at a graph.
You look what the solubility of KCl is at 60°C
The line (green one) crosses the 60°C y-axis right in the middle of the 60 and 40 g/100g water x-axis so the solubility at 60°C is 50 grams per 100g of water.

Answer 2

thanks!