You have three solutions of aqueous Sodium hydroxide. Their concentrations are 0.5M, 1.0M, and 1.5M. Which solution has the weakest concentration?

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Answer:0.5 M has the weakest concentration.

Explanation:Hello there!

In this case, according to the given information, it turns out possible for us to remember that the concentration, or molarity, of a solution is given in terms of moles per liters of solution.

In such a way, we can infer that the solution with the weakest concentration is the one with the smallest molarity, that is 0.5 M.

Best regards!