Chapter 13: GIST on page 526 - mistake

[robert zellmer]

There is a mistake in the answers for the GIST problem in section
13.4 involving ppm and ppb.  This is on page 526 (12th ed.),
page 542 (11th ed.), page 544 (10th ed.).  The error in the answer
appears in the all three editions.

The correct answers are 0.23 ppm and 2.30 x 10^2 ppb.

The question might arise as to what the unit is, g SO2/mL soln
or g SO2/g soln.  Since these are very dilute aqueous solns
there's very little difference (almost none).


Dr. Zellmer
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