1) name 2 scientific scales that are base 10 logarithmic (not natural logarithm-

Question

1) name 2 scientific scales that are base 10 logarithmic (not natural logarithm-ln) that are not pH or pOH 2) Hydrochloric acid is typically sold as a 37.0% solution by weight (37.0 g HCl per 63.0g H2O). Hydrochloric acid at this concentration has a density of 1.18 g/mL. -Calculate the molarity of HCl in solution. (show work) -Calculate the pH of hydrochloric acid at this concentration. 3) Aspirin is the common name for acetylsalicylic acid (C9H8O4), which is a weak acid, and has a Ka (K of a) of 3.3x10^-4. Calculate the pH for one pill (325 mg) dissolved in 200 mL of water.

Explanation / Answer

A white, crystalline compound, CH3COOC6H4COOH, derived from salicylic acid and commonly used in tablet form to relieve pain and reduce fever and inflammation. It is also used as an antiplatelet agent. Also called acetylsalicylic acid. A tablet of aspirin. Read more: http://www.answers.com/topic/aspirin-1#ixzz2LKJxee9j

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