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ICE Tables in Determining Weak Acid/Base PH
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Janelle_5719
#1 Posted : Friday, June 05, 2020 3:59:07 AM
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I was wondering if there is ever a time on the MCAT when we would need to actually use an ICE table to solve for a weak acid/base PH and what that situation would be. The EK textbooks does not even mention them and just skips right to making the Ka equation and solving it while assuming x is negligible in the denominator. Are we likely to see a circumstance where this method won’t work or can we always skip the ICE table?
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INSTR_Katerina_102
#2 Posted : Sunday, June 07, 2020 5:43:09 PM
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Usually, the math needed on the MCAT is minimal so often the x is negligible so that we can save time. I would hazard a guess that most of the time you would not have to use an ICE table.

For the off-chance time that you might have to calculate the x, I would flag the question and come back to it, because you're likely to spend more time on the question.
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