1.) A 0.46 M solution of an unknown acid has a pH of 1.45. Is this a strong or weak acid? Explain. 2.) Assume that you have five beakers with equimolar aqueous solutions of each of the following compounds. Order the solutions from low to high pH and write the conjugate species present in each. CHaNHa NO. HOE nitric acid ammonia

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A: pH = 12.95 pH = 12.95pOH = 14-pH=14-12.95=1.05 OH-=10-pOH=10-1.05=0.089 M

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A: The pH of the solution=13.725 Use relation : pH+ pOH =14 pOH=14 -13.725=0.275

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A: ANSWER

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A: The following terms are explained as below :

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