1186ChemistryMedium
Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ?
A0.4 mole of CH3COOH with 0.4 mole of NaOH
B0.4 mole of NH3 with 0.2 mole of HCI
C0.2 mole of NaCI with 0.2 mole of HNO3
D0.0002M HCI
Correct answer
B. 0.4 mole of NH3 with 0.2 mole of HCI
Explanation
0.4 mole of NH3 with 0.2 mole of HCI is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.