# college-chemistry

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calculate the ph of a buffer solution prepared by adding 0.397 mole of the sodium salt of a weak organic acid HA to 0.474 L of 1.023m acid HA with pka=4.82 and diluting to 1.00 L WITH WATER

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calculate how many moles of Al2O3 ARE THERE IN 5.1grams of aluminium oxides

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