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1. (2 pts) Write the formula for the conjugate acid of the following bases: a. NH3...
1. 12 pts) Write the formula for the conjugate acid of the following bases: a. NH...
1. 12 pts) Write the formula for the conjugate acid of the following bases: a. NH b.cio, 2. (2 pts) Which substance could you add to each solution to make it a buffer solution? b. 0.050 MHE c. 0,050 M CHCOOH 3. (2 pts) Calculate the concentration of H308 and OH-ina 1.5 M HCl solution. 1. (2 pts) What are the products of the following acid-base reaction: CH3NH2 (aq) + H2SO4 laql 5. (7 pts) A 10.0 ml sample of...
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...
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...
Question 1 1 pts Consider a solution that is 0.1 M HF and 0.1 M NaF....
Question 1 1 pts Consider a solution that is 0.1 M HF and 0.1 M NaF. This is a mixture of conjugates in equal proportions, which tells you that it is a buffer. What two reactions are relevant to the pH in this situation? NaF --> Nat + F F+H2O <--> HF + OH- HF + NaF --> H+ +Na+ + F2 HF <--> H+ +F Ht+F<--> Nat + F" Question 2 1 pts A buffer solution contains a mixture...
1. (2 pts) A saline solution contains 1.1 % NaCl by mass. How much NaCl is...
1. (2 pts) A saline solution contains 1.1 % NaCl by mass. How much NaCl is present in 96.3 g of this solution? 2. (4 pts) How many liters of a 0.500 M sucrose (C12H22011) solution contains 1.5 kg of sucrose? 3. (2 pts) To what volume should you dilute 25 mL of a 12 M stock HCl solution to obtain a 0.500 M HCl solution? 4. (2 pts) Write the formula for the conjugate acid of the following bases:...
Homework Acids and Bases Name: 1) Write in the products for this acid-base neutralization reaction, then...
Homework Acids and Bases Name: 1) Write in the products for this acid-base neutralization reaction, then balance the equation. HBr(aq) + Ca(OH)2(aq) → 2) A 8.00-ml sample of an H.PO, solution of unknown concentration is titrated with a 0.2090 M NaOH solution. A volume of 6.12 mL of the NaOH solution was required to reach the equivalence point. What is the concentration of the unknown H3PO4 solution? 3 NaOH + H3PO4 → Na3PO4 + 3 H20 3) What volume in...
1. (4 pts) Write the complete, balanced equations for the following metathesis reaction. Include the notations...
1. (4 pts) Write the complete, balanced equations for the following metathesis reaction. Include the notations (s) and (a?) where appropriate. BaCl2 (aq) +KCo, (aq) ? a. molecular equation b. total ionic equation c. net ionic equation 2. (I pt) If a solution of AgNO, (ag) was mixed with a solution of Mg(NO) (ag) would a reaction be observed? Explain. 3. (I pt) If a solution of AgNO, (ag) was mixed with a solution of KCl (ae) would a reaction...
1. Write the formula of the conjugate base for acid H2CO3. Express your answer as an...
1. Write the formula of the conjugate base for acid H2CO3. Express your answer as an ion. 2. Calculate the [OH−] of each aqueous solution with the following [H3O+]: stomach acid, 4.5×10−2M Express your answer using two significant figures. urine, 6.0×10−6M Express your answer using two significant figures. orange juice, 2.2×10−4M Express your answer using two significant figures. bile, 7.0×10−9M Express your answer using two significant figures. 3. Write a balanced equation for the neutralization of each of the following....
1. Which of the following compounds in an aqueous solution is a weak acid? A) H2S...
1. Which of the following compounds in an aqueous solution is a weak acid? A) H2S B) HI C) HBr D) H2SO4 E) HCIO 2. Identify the major ionic species present in an aqueous solution of H2SO4. A) S6, 036-(plus H2O as a neutral species) B) H', OH, 56,302- C) 2H, 56, 402- D) H', HS04 E) 24*, SO42- 3. Which of the following represents an acid-base neutralization reaction? A) 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3H2(g) B) SO2(g) +...
Given the following information: HNO nitrous acid ammonia K, -4.5x10+ Kb = 1.8x105 NH3 (1) Write...
Given the following information: HNO nitrous acid ammonia K, -4.5x10+ Kb = 1.8x105 NH3 (1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.364 M aqueous nitrous acid and ammonia are mixed. It is not necessary to include states such as (aq) or (s). (2) At equilibrium the will be favored (3) The pH of the resulting solution will be seven.
1. 12 pts) Write the formula for the conjugate acid of the following bases: a. NH b.cio, 2. (2 pts) Which substance could you add to each solution to make it a buffer solution? b. 0.050 MHE c. 0,050 M CHCOOH 3. (2 pts) Calculate the concentration of H308 and OH-ina 1.5 M HCl solution. 1. (2 pts) What are the products of the following acid-base reaction: CH3NH2 (aq) + H2SO4 laql 5. (7 pts) A 10.0 ml sample of...
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...
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...
Question 1 1 pts Consider a solution that is 0.1 M HF and 0.1 M NaF. This is a mixture of conjugates in equal proportions, which tells you that it is a buffer. What two reactions are relevant to the pH in this situation? NaF --> Nat + F F+H2O <--> HF + OH- HF + NaF --> H+ +Na+ + F2 HF <--> H+ +F Ht+F<--> Nat + F" Question 2 1 pts A buffer solution contains a mixture...
1. (2 pts) A saline solution contains 1.1 % NaCl by mass. How much NaCl is present in 96.3 g of this solution? 2. (4 pts) How many liters of a 0.500 M sucrose (C12H22011) solution contains 1.5 kg of sucrose? 3. (2 pts) To what volume should you dilute 25 mL of a 12 M stock HCl solution to obtain a 0.500 M HCl solution? 4. (2 pts) Write the formula for the conjugate acid of the following bases:...
Homework Acids and Bases Name: 1) Write in the products for this acid-base neutralization reaction, then balance the equation. HBr(aq) + Ca(OH)2(aq) → 2) A 8.00-ml sample of an H.PO, solution of unknown concentration is titrated with a 0.2090 M NaOH solution. A volume of 6.12 mL of the NaOH solution was required to reach the equivalence point. What is the concentration of the unknown H3PO4 solution? 3 NaOH + H3PO4 → Na3PO4 + 3 H20 3) What volume in...
1. (4 pts) Write the complete, balanced equations for the following metathesis reaction. Include the notations (s) and (a?) where appropriate. BaCl2 (aq) +KCo, (aq) ? a. molecular equation b. total ionic equation c. net ionic equation 2. (I pt) If a solution of AgNO, (ag) was mixed with a solution of Mg(NO) (ag) would a reaction be observed? Explain. 3. (I pt) If a solution of AgNO, (ag) was mixed with a solution of KCl (ae) would a reaction...
1. Which of the following compounds in an aqueous solution is a weak acid? A) H2S B) HI C) HBr D) H2SO4 E) HCIO 2. Identify the major ionic species present in an aqueous solution of H2SO4. A) S6, 036-(plus H2O as a neutral species) B) H', OH, 56,302- C) 2H, 56, 402- D) H', HS04 E) 24*, SO42- 3. Which of the following represents an acid-base neutralization reaction? A) 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3H2(g) B) SO2(g) +...
Given the following information: HNO nitrous acid ammonia K, -4.5x10+ Kb = 1.8x105 NH3 (1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.364 M aqueous nitrous acid and ammonia are mixed. It is not necessary to include states such as (aq) or (s). (2) At equilibrium the will be favored (3) The pH of the resulting solution will be seven.
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