A public water supply was found to contain 0.8 part per billion (ppb) by mass of chloroform,
Question:
A public water supply was found to contain 0.8 part per billion (ppb) by mass of chloroform, CHCl3.
(a) How many CHCl3 molecules would be present in a 350 mL glass of this water?
(b) If the CHCl3 in part (a) could be isolated, would this quantity be detectable on an ordinary analytical balance that measures mass with a precision of ±0.0001 g?
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a 1 ppb is equal to 1 microgram per liter gL 1 g is equal to 106 grams 1 liter is eq...View the full answer
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Related Book For 
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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