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Practice MCAT Question - Q1 - Answer!

Which are strong bases, and which are weak?
  1. NaOH
  2. Na2O
  3. NH3
  4. H-
  5. HS-
  1. Strong (NaOH = sodium hydroxide)
  2. Strong (Na2O = sodium oxide)
  3. Weak (NH3 = ammonia)
  4. Strong (H- = hydride ion)
  5. Weak (HS- = hydrosulfide ion)

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