Question

are the following solution a buffer or not? yes or no 1. 100 mL of .08...

are the following solution a buffer or not? yes or no

1. 100 mL of .08 M CH3NH3Cl added to 100mL of .04M NaOH

2. 100mL of .1 M HCLO4 added to 100mL of .05M +NaOH

3. 100mL of .1M HC7H5O2 added to 100mL of .1 M KC7H5O2

4. 100mL of .1 M KC7H5O2 added to 100mL of .05 M HCl

5. .1 mol of HC2H3O2 + .2 mol RbC2H3O2 in 1 L of water solution

6. .5 mol of HN3 + .2 mol of NaOH in a 1 L solution of H2O

Homework Answers

Answer #1

there are two types of buffers

1. acidic buffer which is formed by week acid and its conjugate base

2. Basic buffer which is formed by week base and its conjugate acid

now look at th eoptions

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1) Calculate the change in pH when 3.00ml of .1M HCl(aq) is added to 100 ml...
1) Calculate the change in pH when 3.00ml of .1M HCl(aq) is added to 100 ml of a buffer solution that is .1 M in NH3(aq) and .1M in NH4Cl(aq) 2)Calculate the change in pH when 3.0ml of .1 M NaOH (aq) is added to the original buffer solution
A buffer solution contains 0.263 M CH3NH3Cl and 0.339 M CH3NH2 (methylamine). Determine the pH change...
A buffer solution contains 0.263 M CH3NH3Cl and 0.339 M CH3NH2 (methylamine). Determine the pH change when 0.076 mol HNO3 is added to 1.00 L of the buffer. pH after addition − pH before addition = pH change = A buffer solution contains 0.333 M NaH2PO4 and 0.221 M Na2HPO4. Determine the pH change when 0.046 mol HClO4 is added to 1.00 L of the buffer. pH change =
10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that...
10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2-. What is the pH of the resulting solution?
A 100 mL of buffer solution contains 0.100 M in NH3 (aq) and 0.100 M in...
A 100 mL of buffer solution contains 0.100 M in NH3 (aq) and 0.100 M in NH4Cl. (Q7 ‒ Q9) 7. Calculate pH of the buffer solution. 8. Calculate the change of pH when 4.00 mL of 0.100 M HCl (aq) is added to the buffer solution. 9. Calculate the pH of the solution when 4.00 mL of 0.100 M NaOH is added to the original buffer solution. Please show steps and explain so I can understand how. thank you
500 mL of a buffer solution contains 0.050 mol NaHSO3 and 0.031 mol Na2SO3. (a) What...
500 mL of a buffer solution contains 0.050 mol NaHSO3 and 0.031 mol Na2SO3. (a) What is the pH of the solution? (b) Write the net ionic equation for the reaction that occurs when NaOH is added to this buffer. (c) Calculate the new pH after 10. mL of 1.0 M NaOH is added to the buffer solution. d) calculate the buffer capacity (f) Calculate the new pH after 10. mL of 1.0 M NaOH is added to 500. mL...
1) Calculate the pH of a 100 ml solution containing 0.6 grams of NaH2PO4 and 0.142...
1) Calculate the pH of a 100 ml solution containing 0.6 grams of NaH2PO4 and 0.142 grams of Na2HPO4 The pKa of NaH2PO4 = 7.2 Mol. Wt. of NaH2PO4 = 120 Mol. Wt. Of Na2HPO4 = 142 2) Calculate the pH of a solution obtained when 1.0 ml of 0.1 M HCL is added to 99.0 ml pure water. 3) Calculate the pH of the solution obtained by adding 1.0 ml of 0.1 M HCl to 99 ml of buffer...
What is the pH of a buffer solution (100 mL containing 0.50 mol L-1 pyruvic acid...
What is the pH of a buffer solution (100 mL containing 0.50 mol L-1 pyruvic acid (Ka = 4.1x10-3) and 0.35 mol L-1 sodium pyruvate after the addition of 10 mL of 0.10 mol L-1 HCl?
A 1.00 L buffer solution is 0.150 M in HC7H5O2 and 0.25 M in LiC7H5O2. Calculate...
A 1.00 L buffer solution is 0.150 M in HC7H5O2 and 0.25 M in LiC7H5O2. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 M HCl. The Ka for HC7H5O2 is 6.5x10^-5
A buffer solution is prepared by mixing 15.0 mL of 2.00 M Acetic Acid and 10.0...
A buffer solution is prepared by mixing 15.0 mL of 2.00 M Acetic Acid and 10.0 mL of 1.50 M NaC2H3O2. Determine the pH of the solution after the addition of 0.015 moles HCl (assume there is no change in volume when the HCl is added). Ka HC2H3O2 = 1.80E-5
1. A buffer solution contains 0.476 M KH2PO4 and 0.202 M Na2HPO4. Determine the pH change...
1. A buffer solution contains 0.476 M KH2PO4 and 0.202 M Na2HPO4. Determine the pH change when 0.050 mol HClO4 is added to 1.00 L of the buffer. pH change = ______ 2. Determine the pH change when 0.077 mol HClO4 is added to 1.00 L of a buffer solution that is 0.331 M in CH3COOH and 0.304 M in CH3COO-. pH after addition − pH before addition = pH change =_____