If NaH₂PO₄ Is Added to Water, What Other Compound or Compounds

question 121

Multiple Choice

If NaH₂PO₄ is added to water, what other compound or compounds could also be added in order to make a buffered solution?

• A)H₃PO₄ only
• B)NaHPO₄ only
• C)Na₂HPO₄ only
• D)Na₂PO₃ only
• E)either H₃PO₄ or Na₂HPO₄

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