Living by Chemistry
2nd Edition
ISBN: 9781464142314
Author: Angelica M. Stacy
Publisher: W. H. Freeman
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Question
Chapter U4.81, Problem 1E
Interpretation Introduction
Interpretation:
Whether two different solutions with different volumes can have same concentrations or not needs to be explained.
Concept introduction:
Concentration of a solution is expressed in different units. It can be g/ L of solute. It can be moles of solute per liter of solution. When concentration is taken in terms of mol/L, it is known as molarity.
Expert Solution & Answer
Answer to Problem 1E
If amounts of solute are different then two different solutions can have same concentrations.
Explanation of Solution
Let’s consider one solution has 1 mol solute and volume is 1 L. Another solution has 2 mol solute and volume is 2 L.
For 1st solution molarity is 1/1=1.
For 2nd solution molarity is 2/2=1.
Thus, for both the solution the molarity is 1.
Thus, the ratio of number of moles and volume should be same for two solutions to have same concentartion.
Chapter U4 Solutions
Living by Chemistry
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