Solutions, Molarity and Intermolecular Forces Video Lessons

Concept:

Problem: Which solute has the greatest solubility in water?A. CCl4 B. CHCl3 C. HOCH2CH2OH D. H3CCH3 E. CH2Cl2

FREE Expert Solution

We’re being asked to identify the solute that has the greatest solubility in water. Recall that the main idea in dissolution is like dissolves like, which means compounds with the same polarity and intermolecular force can dissolve each other.

Water (H2O) is a polar molecule that exhibits hydrogen bonding, so the most soluble solute would be a polar compound that exhibits hydrogen bonding. So for this, we need to draw the Lewis structures of the given choices and determine their polarity.

Step 1: Determine the central atom in this molecule.

Step 2: Calculate the total number of valence electrons present and draw the Lewis structure for the molecule.

Step 3: Determine the polarity of the molecule.

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Problem Details

Which solute has the greatest solubility in water?

A. CCl4

B. CHCl3

C. HOCH2CH2OH

D. H3CCH3

E. CH2Cl2