In a solution with 4 parts solvent to 1 part solute, what percent of the solution is solute?

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Multiple Choice

In a solution with 4 parts solvent to 1 part solute, what percent of the solution is solute?

Explanation:
When a solution is described as 4 parts solvent to 1 part solute, think in terms of total parts. The total is 4 + 1 = 5 parts. The solute makes up 1 part out of 5, so its fraction is 1/5. Convert to a percentage: 1/5 = 0.20 = 20%. So the solution is 20% solute and 80% solvent. A quick check: if you had 100 parts of solution, 20 would be solute and 80 would be solvent, matching the 4:1 ratio.

When a solution is described as 4 parts solvent to 1 part solute, think in terms of total parts. The total is 4 + 1 = 5 parts. The solute makes up 1 part out of 5, so its fraction is 1/5. Convert to a percentage: 1/5 = 0.20 = 20%. So the solution is 20% solute and 80% solvent. A quick check: if you had 100 parts of solution, 20 would be solute and 80 would be solvent, matching the 4:1 ratio.

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