Question

which point represents a supersaturated solution of the unknown salt?
a. u
b. w
c. s
d. t

Explanation:

To determine a supersaturated solution on a solubility curve (implied here), a supersaturated solution point lies above the solubility curve (representing maximum dissolved solute at a temperature). Typically, in such graphs, the point above the curve (or outside the saturated region) is supersaturated. Assuming standard solubility curve logic, the correct point (e.g., if T is above the curve, but need to infer from options—likely the point not on the curve and with excess solute, so identifying the one above saturation).

Answer:

(Assuming the correct option is, say, D. T, but need to confirm the graph's curve. If the options are A. U, B. W, C. S, D. T, and T is above the solubility curve, then) D. T