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Problem- For 1 hour average value, a city reports 0.19 ppm ozone. The permissible limit is 0.12 ppm ozone.
By what amount, in ppm, does the reported value exceed the permissible limit?
This exceeded amount is what percent of the permissible level?
Show all work, use additional paper if necessary.
Determine the molecular mass and its uncertainty for CH3CH2COOH. Note: Pay attention to significant figures and use the atomic masses given in the table.
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