Chemistry · Ionic Equilibrium
The pH of human blood is maintained around 7.4 primarily by the buffering action of which system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Na2HPO4 and NaH2PO4
- 2CH3COOH and CH3COONa
- 3H2CO3 and NaHCO3✓
- 4H2CO3 and Na2CO3
Correct answer
H2CO3 and NaHCO3
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