Answer:
Q1: 1.67 L.
Q2: Saturated solution.
Step-by-step explanation:
Q1:
- We have the role that the no. of millimoles before dilution is equal to the no. of millimoles after dilution.
(MV) before dilution = (MV) after dilution
M before dilution = 10.0 M, V before dilution = 0.5 L.
M after dilution = 3.0 M, V after dilution = ??? L.
∴ V after dilution = (MV) before dilution / M after dilution = (10.0 M)(0.5 L) / (3.0 M) = 1.67 L.
Q2:
From the given curve, it is clear that the solubility of sodium nitrate at 35.0°C is 100 g per 100 g of water.
So, the mentioned solution is a saturated solution at this T.
A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent.