Homework Answers
Polyprotic acid means release more than one protons in aqueous solution
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List the numbers of the acids below that are polyprotic? 1. H2SO4 Ammonium sulfate 2. Ba(OH)2...
1. Which acids are monoprotic in the list below? A. acetic (HC2H2O2) C. phosphoric (H3PO4) E....
1. Which acids are monoprotic in the list below? A. acetic (HC2H2O2) C. phosphoric (H3PO4) E. oxalic (H2C204) G. carbonic (H2CO3) I hydroiodic (HI) K. sulfurous (H2SO3) B. sulfuric (H2SO4) D. nitric (HNO3) F. nitrous (HNO2) H. hydrofluoric (HF) J. periodic (HIO) L. hypochlorous (HCIO) 3. Which solution is more acidic, 0.10 Macetic acid or a mixture of 0.10 M acetic acid and 0.10 M sodium acetate?
CID NOMENCLATURE Give the formulas of the following compounds: 1. hydrochloric acid 2. chromie acid 3....
CID NOMENCLATURE Give the formulas of the following compounds: 1. hydrochloric acid 2. chromie acid 3. nitrous acid 4. phosphoric acid 5. chloric acid 6. chlorous acid 7. acetic acid 8. oxalic acid 9. sulfuric acid 10. carbonic acid 11. perbromic acid 12. nitric acid 13. hydrofluoric acid 14. sulfurous acid 15. phosphorous acid 16. hypochlorous acid 17. hydrosulfuric acid Give the names of the following compounds (in aqueous solution): 1. H2SO3 (aq) 2. HyPOs (aq) 3. HNO3 (aq) 4....
if you need a value of Ka, you should use this table: An aqueous solution contains...
if you need a value of Ka, you should use this table:
An aqueous solution contains 0.390 M hydrofluoric acid. How many mL of 0.200 M sodium hydroxide would have to be added to 250 mL of this solution in order to prepare a buffer with a pH of 3.050? mL Ferric ion Fe(H20)63+ 4.0x10-3 Formic acid HCOOH 1.8x10-4 Hydrocyanic acid HCN 4.0x10-10 Hydrofluoric acid HF 7.2x10-4 2.4x10-12 Hydrogen peroxide H202 Hydrosulfuric acid H2S 1.0x10-7 1.0x10-19 Hypochlorous acid HCIO 3.5x10-8...
How many moles of sodium hydroxide would have to be added to 150 mL of a...
How many moles of sodium hydroxide would have to be added to 150 mL of a 0.483 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.030? moles An aqueous solution contains 0.477 M hypochlorous acid. How many mL of 0.257 M potassium hydroxide would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 7.040? mL Acid Formula Kal Ка? | Каз Acetic acid...
If you need Ka values, you should use this table: Use the References to access important...
If you need Ka values, you
should use this table:
Use the References to access important values if needed for this question. What is the pH of the buffer that results when 13.5 g of NaH2PO4 and 5.39 g of Na2HPO4 are diluted with water to a volume of 0.759 L? (Kof H2PO4 = 6.2E-8, the molar masses of NaH2PO4 and Na2HPO4 are 120.0 g/mol and 142.0 g/mol, respectively) 6.74 Oo oo O 6.81 O -6.74 O 7.21 O 7.68...
need all FOUR please!! please! provided Ka values if needed A buffer solution is made that...
need all FOUR please!! please! provided Ka values if
needed
A buffer solution is made that is 0.451 M in H, S and 0.451 M in NaHS. If K for H, Sis 1.00 x 10-7, what is the pH of the buffer solution? pH= Write the net ionic equation for the reaction that occurs when 0.105 mol NaOH is added to 1.00 L of the buffer solution (Use the lowest possible coefficients. Omit states of matter.) Submit Answer Retry Entire...
What is the pH of a solution made by dissolving 4.8 g of K2CO3 and 6.6...
What is the pH of a solution made by dissolving 4.8 g of
K2CO3 and 6.6 g of KHCO3 in 500.
mL of water?
**ACID BASE TABLE** ->
refer to table for values
Acid Name Conjugate Acid ka pka Conjy Conjugate Base Base Name perchloric acid HCIO4 >>1 perchlorate ion hydrohalic acid HX (X=1,Br, CI) halide ion sulfuric acid >>1 hydrogen sulfate ion nitric acid >>1 nitrate ion H2804 HNO3 || 1307+ To coa >>1 <0 x1- >> RO HS044-...
the table for problem 5 is attached S. Consider the weak acids in Table 13.2. Which...
the table for problem 5 is attached
S. Consider the weak acids in Table 13.2. Which acid-base pair would be best for a buffer at a pH of: a) 3.5 b) 7.3 c) 10.0 To make a buffer with pH 3.0 from HCHO2 and CHO2: a) what must the [HCHO2]/[CHO2] ratio be? 6. ep b) how many moles of HCHO2 must be added to a liter of 0.139 M NaCHO2 to give this pH? c) how many grams of NaCHO2...
Please help with solving Question 1 (A-C) Thank you! Unless otherwise specified in the problem, you...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
1. Which acids are monoprotic in the list below? A. acetic (HC2H2O2) C. phosphoric (H3PO4) E. oxalic (H2C204) G. carbonic (H2CO3) I hydroiodic (HI) K. sulfurous (H2SO3) B. sulfuric (H2SO4) D. nitric (HNO3) F. nitrous (HNO2) H. hydrofluoric (HF) J. periodic (HIO) L. hypochlorous (HCIO) 3. Which solution is more acidic, 0.10 Macetic acid or a mixture of 0.10 M acetic acid and 0.10 M sodium acetate?
CID NOMENCLATURE Give the formulas of the following compounds: 1. hydrochloric acid 2. chromie acid 3. nitrous acid 4. phosphoric acid 5. chloric acid 6. chlorous acid 7. acetic acid 8. oxalic acid 9. sulfuric acid 10. carbonic acid 11. perbromic acid 12. nitric acid 13. hydrofluoric acid 14. sulfurous acid 15. phosphorous acid 16. hypochlorous acid 17. hydrosulfuric acid Give the names of the following compounds (in aqueous solution): 1. H2SO3 (aq) 2. HyPOs (aq) 3. HNO3 (aq) 4....
if you need a value of Ka, you should use this table:
An aqueous solution contains 0.390 M hydrofluoric acid. How many mL of 0.200 M sodium hydroxide would have to be added to 250 mL of this solution in order to prepare a buffer with a pH of 3.050? mL Ferric ion Fe(H20)63+ 4.0x10-3 Formic acid HCOOH 1.8x10-4 Hydrocyanic acid HCN 4.0x10-10 Hydrofluoric acid HF 7.2x10-4 2.4x10-12 Hydrogen peroxide H202 Hydrosulfuric acid H2S 1.0x10-7 1.0x10-19 Hypochlorous acid HCIO 3.5x10-8...
How many moles of sodium hydroxide would have to be added to 150 mL of a 0.483 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.030? moles An aqueous solution contains 0.477 M hypochlorous acid. How many mL of 0.257 M potassium hydroxide would have to be added to 125 mL of this solution in order to prepare a buffer with a pH of 7.040? mL Acid Formula Kal Ка? | Каз Acetic acid...
If you need Ka values, you
should use this table:
Use the References to access important values if needed for this question. What is the pH of the buffer that results when 13.5 g of NaH2PO4 and 5.39 g of Na2HPO4 are diluted with water to a volume of 0.759 L? (Kof H2PO4 = 6.2E-8, the molar masses of NaH2PO4 and Na2HPO4 are 120.0 g/mol and 142.0 g/mol, respectively) 6.74 Oo oo O 6.81 O -6.74 O 7.21 O 7.68...
need all FOUR please!! please! provided Ka values if
needed
A buffer solution is made that is 0.451 M in H, S and 0.451 M in NaHS. If K for H, Sis 1.00 x 10-7, what is the pH of the buffer solution? pH= Write the net ionic equation for the reaction that occurs when 0.105 mol NaOH is added to 1.00 L of the buffer solution (Use the lowest possible coefficients. Omit states of matter.) Submit Answer Retry Entire...
What is the pH of a solution made by dissolving 4.8 g of
K2CO3 and 6.6 g of KHCO3 in 500.
mL of water?
**ACID BASE TABLE** ->
refer to table for values
Acid Name Conjugate Acid ka pka Conjy Conjugate Base Base Name perchloric acid HCIO4 >>1 perchlorate ion hydrohalic acid HX (X=1,Br, CI) halide ion sulfuric acid >>1 hydrogen sulfate ion nitric acid >>1 nitrate ion H2804 HNO3 || 1307+ To coa >>1 <0 x1- >> RO HS044-...
the table for problem 5 is attached
S. Consider the weak acids in Table 13.2. Which acid-base pair would be best for a buffer at a pH of: a) 3.5 b) 7.3 c) 10.0 To make a buffer with pH 3.0 from HCHO2 and CHO2: a) what must the [HCHO2]/[CHO2] ratio be? 6. ep b) how many moles of HCHO2 must be added to a liter of 0.139 M NaCHO2 to give this pH? c) how many grams of NaCHO2...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
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