Which Combination Would Make a Buffer Solution

question 10

Multiple Choice

Which combination would make a buffer solution?

• A) 0.1 M HCl and 0.1 M NaCl
• B) 0.1 M H₂CO₃ and 0.1 M NaHCO₃
• C) 0.4 M HNO₃ and 0.4 M NaNO₃
• D) 0.15 M H₂SO₄ and 0.4 M CaSO₄