The answer of your questions from 6.1 to 6.4 with all parts are solve below in hand written answer see carefully to understand.
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??? Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c....
2. Calculate the pH of the following solutions: (a) [H3O+] = 1.4 x 10-'M (b) [OH-] = 3.5 x 10-2M (c) pOH = 10.5 3. What is the pH of a 0.10 M solution of HCIO4? (A strong acid) 4. Write the dissociation reaction and the corresponding K, expression for the following acids in water. (a) H3PO4 (b) C&H OH 5. Write the reaction and corresponding Ko expression for each of the following bases in water. (a) NH3 (b) PO4...
i want answer to all questions please Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
I need help answering the following chemistry lab questions Pre-Lab Questions 1. Define the following terms: a) Acid b) Analyte c) Base d) End Point e) Neutralization reactiorn f) Standard solution 8) Titrant h) Titration A 25.00 ml. sample of NaOH was titrated with a 0.743 M HSO, Solution. The endpoint of the titration was observed after the addition of 5.00 ml. of HSO. Calculate the concentration of the NaOH 2. solution. Post-Lab Questions Calculate the volume of a 0.0321...
I.C.E. Problems Consider the following reversible reaction: CuS(s) + O2(g) Cu(s) + SO2(g) A reaction mixture initially contains 1.50 MO. The equilibrium constant K-1.5. Determine the concentrations of So, and O, at equilibrium. 6) What is the conjugate base of SO,? A. HSO, B. H SO. C. it does not exist. D. SO 7) What is the conjugate base of HSO.? A HSO, B. HO C. SO 2 D. H SO 1) What is [SO] at equilibrium? A. 1.13 M...
Acids & Bases Worksheet 14a (Intro) 4. Identify the sets of acid-base conjugate pairs a. HNO2, NO2 d. HS, H2S b. H2CO), CO e. NHs, NH4 c. HCL, CIO 3. Determine the conjugate acid-base pairs in the following equations HBr(aq) + H20)H3O (aq) + Br (ag) a. b. CHaNH2(aq) + H2O(l)-CHaNH3 (aq) +OH (aq) 6. Write the conjugate base of the following: с. НСО а. НЕr d. HCIO b. Н.СО, 7. Write the conjugate acid of the following c. PO...
Acids and Bases 1) Which of the following is a general property of a basic solution? a. feels slippery b pH less than 7 c. tastes sour d. turns litmus paper red e. none of the above 2) If a vinegar sample has a pH of 5, the solution is which of the following: a. strongly acidic b. weakly acidic c neutral d. weakly basic e. strongly basic 3) Which of the following is a weak Arrhenius acid a. HNO3...
Preparation of Buffer Solutions (2 pts each) Mass of sodium acetate in acetate buffer 1.9821 3.00m 2.0103 Volume of 3.0 M acetic acid in acetate buffer Mass of ammonium chloride Volume of 5.0 M NH4OH pH Mcasurements.Experimental Valucs epts. eachi Deionized Water Ammonia Buffer Acetate Buffer 5 25 4.4 9.12 .33 5.1 23.3 9.04 pH of solution płł of solution after addition of I mL of 0.6 M NaOH pH of solution after addition of 1 mL of 0.6 M...
ire anf eisures are complete 1. Caleulate the concentration (in M) of hydroxide ions in a solution at 25.0°C with a pOH of 4.223. D)599 x ǐo-19 E) 1.00 x 10- A)5.98 × 10-5 2. An aqueous solution C)1.67 x 104 will produce an acidic solution D) NHBr B) 1.67× 10-10 E) MgCl 12.0 pH of 100 solution 80 in flask 6.0 4.0 2.0 Equivalence Point 5 10 15 20 25 30 35 40 45 mL of 0.115 M NaOH...
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
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...