Calculate [H30+] for each solution given its pH. •pH=1.66 •pH=3.98 •pH=8.93 •pH=12.22 What substance could you add to ea...

Question

Question

Calculate [H30+] for each solution given its pH.

•pH=1.66
•pH=3.98
•pH=8.93
•pH=12.22

What substance could you add to each solution to make it a buffer solution?
• 0.050 M NaHSO3
• 0.150 M HF
• 0.200 M KCHO2

Answer 1

Answer #1

H3O+] = lo-PH PH = 1.66 H30+1= loter ooo 0.0218 M. pH = 3.98 H₂ot 1 10 3.98 1.04 7x 10 p na [H₃O+ 1 - 8-93 10 - 8.43 1.17X10-

Answer 2

Similar Homework Help Questions

I 2. (2 pts) Which substance could you add to each solution to make it a...

I 2. (2 pts) Which substance could you add to each solution to make it a buffer solution? b. 0.050 M HF C. 0.050 M CH3COOH
2. (2 pts) Which substance could you add to each solution to make it a buffer...

2. (2 pts) Which substance could you add to each solution to make it a buffer solution? b. 0.050 M HF C. 0.050 M CH3COOH 3. (2 pts) Calculate the concentration of H30+ and OH-in a 1.5 M HCl solution. 4. (2 pts) What are the products of the following acid-base reaction: CH3NH2 (aq) + H2SO4 (aq) 5. (7 pts) A 10.0 ml sample of an unknown H3PO4 solution requires 112 ml of 0.100 M KOH to completely react with...
Which substance could you add to each solution to make it a buffer solution? 0.100 M NaC2H3O2 0.500 M H3PO4 0.200...

Which substance could you add to each solution to make it a buffer solution? 0.100 M NaC2H3O2 0.500 M H3PO4 0.200 M HCHO2 Can you include an explanation with this as well please? Thanks!

Need help with 1-6 Write a neutralization reaction for each acid and base pair (a) HF(aq)...

Need help with 1-6 Write a neutralization reaction for each acid and base pair (a) HF(aq) and Ba(OH)2(ag) (b) HCIO4a and NaOH(aq) (c) HBr(ag) and Ca(OH)2(aą) (d) HCIaą) and KOH(aq) 2. Write a balanced chemical equation showing how each met- al reacts with HCI (a) K (b) Ca (c) Na (d) Sr 3. Write a balanced chemical equation showing how each met- al oxide reacts with HCI (a) SrO (b) Na2O (c) LiO (d) BaO What volume in milliliters of...
Calculate [H3O+] for each solution given its pH: pH = 1.06, pH = 3.98, pH =...

Calculate [H3O+] for each solution given its pH: pH = 1.06, pH = 3.98, pH = 8.53, pH = 12.52. Please explain in detail as I'm lost on how to do these. TIA
You are given 2.0 L of a buffer solution that contains 0.220 M acid (pka- 3.50)...

You are given 2.0 L of a buffer solution that contains 0.220 M acid (pka- 3.50) and 0.200 M of conjugate base. A. What is the pH of the buffer? B. What volume of 0.500 M solution of HCI would you need to add to make the pH of the buffer solution 3.00?

1) What is the pH of a solution in which 25 mL of 0.10 M NaOH...

1) What is the pH of a solution in which 25 mL of 0.10 M NaOH is added to 15 mL of 0.10 M HCl? 2) If you add 2.50 mL of 0.150 M HCl to 100 mL of a buffer consisting of 0.100 M CH3COOH and 0.200 M CH3COONa, what will be the change in pH? (Ka of CH3COOH is 1.8x10^-5)
a. How much solid NaNO2 should you add to a solution of 850. mL of 0.200...

a. How much solid NaNO2 should you add to a solution of 850. mL of 0.200 M HNO2 to make a buffer with pH = 2.99? (The K. of HNO2 is 7.2 x 10) b. If you wanted to change the buffer solution you made in part (a) to solution with a buffer of pH = 4.10, what would you add, a strong acid or base? c. Pouradd-5.00 mt of 8.00 MHE to the solution: What is the new pH?...
Does the pH of the solution increase, decrease, or stay the same when you add solid...

Does the pH of the solution increase, decrease, or stay the same when you add solid sodium hydrogen oxalate, NaHC2O4 to a dilute aqueous solution of oxalic acid, H2C2O4? Explain your answer using the equation below. H2C2O4 (aq) + H2O (l)⇌ HC2O41– (aq) + H3O+ (aq) 2)Why a solution of sodium chloride and hydrochloric acid cannot act as a buffer? (b) Propose a conjugate acid/base pair which can function as a buffer. 3) (a) Calculate the pH of a buffer...

4. What is the value (M) of [H3O+] of a solution with pH = 2.0 ? State the given and needed quantities, write the proper...

4. What is the value (M) of [H3O+] of a solution with pH = 2.0 ? State the given and needed quantities, write the proper equation. Substitute values into the equation and calculate. 5. Which of the following could be a buffer? In general what is the function of a buffer? Explain with a second example. A) NaF(aq) B) HF(aq) + NaF(aq) C) HF(aq) + O(l) D) NaF(aq) + O(l) E) NaCl(aq) + HF(aq)