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I previously posted this question, but I was unsatisfied with the response. Arrange the following aqueous solutions, all at 25 C, in order of decreasing acidity. Rank from most acidic to most basic. To rank items as equivalent, overlap them pH=5.45, pOH=8.55, 0.0023 M HCl, 0.0018 M KOH
♦ Relevant knowledge
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The basicity and acidity of an aqueous liquid is dependent on the molarity of hydronium ion and the hydroxide Ion that are present. The dependence is expressed with the pH scale. It has two key conclusion. The second conclusion is that the molarity levels of hydronium ion as well as hydroxide Ion are proportional in relation to one another. The other reason is it is that pH can be described as a negative logarithmic relation therefore a 10 times change in the molarity value can only alter the pH by one unit.
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