Science

posted by .

Which pairs of substances will form a buffer when mixed in equal concentrations?
A)NaOH and HCl
B)NH3 and NH4+
C)H2O and NH3
D)KCl and NaCl
E)HF and F-

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry, reactions w/ water

    Write the equation for the reaction of each of the following with water. a) HCl b) CH3COOH c) NaOH d) NH3 Are these correct?
  2. science

    Which pairs of substances will form a buffer when mixed in equal concentrations?
  3. Chemistry

    HCl(aq) + NaOH(aq) -> NaCl(aq) + H2O(l) NH4Cl(aq) + +NaOH(aq) -> NH3(aq) + NaCl(aq) + H2O(l) NH3(aq) + HCl(aq) -> NH4Cl(aq) Write net ionic equations for the three reactions. Show how the first two reactions are arranged algebraically …
  4. chem

    Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution?
  5. chemistry-Buffer Q

    You have a solution of .5 L of 1.74g of NH3 and 4.15g of (NH4)2SO4. How many ml of 14M HCl is required for a pH of 9.00?
  6. Analytical chemistry

    What is a pH of 20 mL of 0.08 M NH3 added to 40 mL of 0.04 M HCl?
  7. CHEM

    Can you please check my work? I got -4.3KJ/mol If this is not right can you tell me what I am doing wrong?
  8. Chemistry

    A buffer solution is prepared by mixing 50.0 mL of 0.300 M NH3 with 50 mL of 0.300 NH4Cl. The pKb of NH3 is 4.74. NH3 + H2O-> NH4+ +OH- 7.50 mL of 0.125 M HCl is added to the 100 mL of the buffer solution. Calculate the concentration …
  9. Dr.Bob

    A 100.0 mL sample of 0.05 M NH3 is titrated with 0.10 M HCl. Determine the pH of the solution after the addition of 50.0 mL HCl. Here is my work: NH3 + H3O+ --> NH4+ + H2O Before Addition: NH3= 0.005 mol H3O= 0 mol NH4+ = 0 mol …
  10. chemistry

    Which of the following chemical reactions represents a neutralization reaction?

More Similar Questions