GPfefferkorn2590 GPfefferkorn2590
  • 25-01-2024
  • Chemistry
contestada

In the buffer system of nitrous acid (HNO₂) and its salt, NaNO₂, the weak acid (HNO₂) is needed to:
A) Increase the concentration of H₃O⁺ ions
B) Decrease the concentration of H₃O⁺ ions
C) Maintain the concentration of OH⁻ ions
D) Prevent the formation of water (H₂O)
E) Resist changes in pH when bases are added

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