recitation assignment

• which of the following is considered an acid when dissolved in pure water:

  HCL

  KOH

  Mg(OH)2

  NaHCO3?

  HCl
• which of the following is considered a base when dissolved in pure water:

  MgCO3

  NH3

  H2SO3?

  Both MgCO3 and NH3
• Which ion is considered basic when dissolved in water:

  CO3 2-

  OH-

  HCO3-?

  all of the above
• which ion is most closely responsible for pH values less than 7?

  Co3 2-

  OH-

  H+

  HCO3-

  OH-
• which substance has a pH of 7?

  H2O

  Milk

  Citrus Juice

  NaOH

  H2O