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Which of the following represent the concentration of a solution?

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in Analytical Instrumentation by (131k points)
Which of the following represent the concentration of a solution?

(a) Only free ions

(b) Only bound ions

(c) Free ions and bound ions

(d) Either free ions or bound ions

This question was addressed to me in class test.

My query is from Sodium Analyser in section Dissolved Component Analysers of Analytical Instrumentation

1 Answer

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The correct answer is (c) Free ions and bound ions

Easy explanation: Concentration refers to the sum of free ions and bound ions. Activity refers only to free ions.

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