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Naming Acids. Chemistry 11 Mrs. Kay. Acids. When these compounds dissolve in water they produce hydrogen ions. The concentration of hydrogen ions produced is related to its molarity (simple ratios) HCl  H + + Cl - 2M 2M 2M

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naming acids

Naming Acids

Chemistry 11

Mrs. Kay

acids
Acids
  • When these compounds dissolve in water they produce hydrogen ions.
  • The concentration of hydrogen ions produced is related to its molarity (simple ratios)
    • HCl  H+ + Cl-

2M 2M 2M

  • pH of acids is directly related to the amount of dissociation of the hydrogen.
binary acids made of 2 elements only
Binary Acids (made of 2 elements only)
  • Prefix is always hydro
  • Name the second element with the suffix? ic

Example: HCl hydrochloric acid

practice
Practice

HBr

Hydrofluoric acid

HI

strong acids
Strong Acids
  • These acids dissociate 100% in water, which makes them different from other weaker acids (has to do with pH, not concentration)
  • You need to memorize them:
    • Sulfuric acid, H2SO4
    • Nitric acid, HNO3
    • Hydrochloric acid, HCl
    • Hydroiodic acid, HI
    • Hydrobromic acid, HBr
    • Perchloric acid, HClO4
  • dissociation: HNO3 H+ + NO3-
tertiary acids made up of 3 elements
Tertiary acids (made up of 3 elements)
  • H +-atepolyatomic ion: If the acid has an -ate polyatomic ion after the H, that makes it an -ic acid. H2SO4 is sulfuric acid.
  • H +-itepolyatomic ion: When the acid has an -ite polyatomic ion after the H, that makes it an -ous acid. H2SO3 is sulfurous acid.
practice1
Practice:

Nitrous acid

H2CO3

Phosphoric acid

CH3COOH

Sulfurous acid