Question

nonpolar solvents will tend to dissolve nonpolar solutes low molecular weight alcohols polar solutes ionic compounds question 8 which of the following pairs of substances are miscible (can be mixed together to form a homogeneous solution)? assume a final liquid phase solution. (pick all that apply) sugar and methanol oil and water carbon tetrachloride and methane methanol and water sodium chloride and carbon tetrachloride

Explanation:

1. For the first question, the principle of "like - dissolves - like" applies. Nonpolar solvents dissolve nonpolar solutes because the intermolecular forces between nonpolar substances are similar. Low - molecular - weight alcohols are polar due to the presence of the hydroxyl group, polar solutes interact with polar solvents, and ionic compounds dissolve in polar solvents due to ion - dipole interactions.
2. For the second question:

• Sugar is a polar compound and methanol is a polar solvent, so they are miscible.
• Oil is nonpolar and water is polar, so they are immiscible.
• Carbon tetrachloride and methane are both nonpolar, so they are miscible.
• Methanol and water are both polar and can form hydrogen bonds with each other, so they are miscible.
• Sodium chloride is an ionic compound and carbon tetrachloride is a nonpolar solvent, so they are immiscible.

Answer:

Question 1: nonpolar solutes
Question 2: sugar and methanol, carbon tetrachloride and methane, methanol and water