What is the ionic strength of 0.01M barium chloride solution :
Correct answer: D. 0.01
- A. 0.03
- B. 0.02
- C. 0.04
- D. 0.01
Explanation
0.01: This option is correct. The ionic strength is equal to 0.01. In this case, the concentration of both the barium ions (Ba2+) and chloride ions (Cl-) is 0.01 M. Since there is only one ion of each type, the sum of their concentrations gives the total ionic strength of the solution, which is 0.01 M. The ionic strength of a solution is a measure of the total concentration of ions in the solution. In this case, we have a 0.01 M barium chloride solution. To calculate the ionic strength, we need to consider the contribution of both the barium ions (Ba2+) and chloride ions (Cl-) to the total ionic concentration.
This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.
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