AcidBase

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  1. State the Bronsted-Lowry definition of and .
Acids give hydrogen ions (H+) and bases accept them
  1. Know the formulas for the common acids: .
HCl, H2SO4, H3PO4, H2CO3, HNO3
  1. Distinguish between the characteristics of and (taste, feel, reactions to indicators).
acids taste sour, bases taste bitter. bases feel slippery.Acids have more hydrogen ions than water (<7 pH)

Bases >7 pH
  1. Describe the scale and how it is based on exponential differences in concentration.
Measures concentration of H+. Greater concentration=lower pH. One pH=ten times H+
  1. Identify the pH of various solutions given either the [H3O+] or [OH-].
    1. = -log[H3O+]

opposite of the exponent is pH.
    1. [H3O+] * [OH-] = Kw = 1 E-14 (always in water)
pH=7
  1. Describe the role of in influencing the .
  2. Describe the effects of lowering pH on biological systems present in freshwater lakes and when is present.
    1. and carbonate-based diatoms


  1. Describe the role of buffers in maintaining your as your respire.