17. Which of the following compounds is the weakest acid? A) HF B) HC1 C) HBr D) HI 18. Which of the following compounds is the weakest acid? А) H2S B) PНЗ С) НСІ D) SiH4

Q: The following reactions all have K< 1. 1) C9Н-0, (аq) + HCIO (aq) — НС)Н-0, (аq) + СІЮ (aq) 2) NO,…

A: The Bronsted- lowry  base are those compounds which accepts H+ ions . And Bronsted-lowry acids are…

Q: 48) Which of the following is a weak acid? A) HCI B) HBr C) HF D) H,SO, E) NaOH

A: Strong acid- an acid dissociate immediately into its ions in an aqueous solution to give H+ ions.…

Q: The following reactions all have K > 1. 1) HF (aq) + C,H,04 (aq) F (aq) + HC,H,04 (aq) 2) HNO, (aq)…

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…

Q: Identify the Lewis acid and Lewis base in each of the following equations: (a) Cu2+(aq) + 4NH3(aq)…

A: Lewis acid have vacant orbital and non metal and metal form Lewis acid Boron have electron…

Q: Which acid is the strongest? formic acid, HCOOH, Ką = 1.8×10-4

A:

Q: Calculate the [H +] in a solution that has a pH of 8.55.

A: Equation for pH calculation is:

Q: About the information presented, rate the following statements: * I: Carbonic acid is more acidic…

A: The statements given are I: Carbonic acid is more acidic than HCl.  II: Sodium ion is classified as…

Q: 8. Calculate the number of hydrogen atoms in 58.1 grams butane. 9. Calculate the pH of 0.500M acetic…

A: 8.  Given, Mass of butane = 58.1 g Number of hydrogen atoms = ? Note: Chemical formula of butane =…

Q: 4. If 0.25 M of an acid (HA) has pH = 5.73, which of the following statements is true about this…

A:

Q: Which of the following is considered a weak acid?  (choose all that apply) a.   H2SO4 b.   H2CO3…

A: We have to identify weak acid from the given set of acids.

Q: solution that is 0.185M in CH3NH2 and 0.105M in CH3NH3Br Calculate the pH?

A: Answer:- given solution is made of weak base and Salt of weak base with strong acid.So this is basic…

Q: In which equation(s) do/does water act as a Bronsted-Lowry base? You may choose one or more…

A:

Q: a. 2. Calculate the pH of each solution. [OH-] = 4.3 x 10-5 M [OH-] = 2.0 x 10-5 M c. [OH'] = 4.5 x…

A: pH + pOH = 14.0  So, pH = 14.0 - pOH

Q: The 0.10 M solution with the lowest pH is: A. HC2H302(ac) B. NH3(ac) C. NaOH(ac) D. HNO3(ac) ??

A:

Q: Which of the following could be a pH of NaOH? a. 9 С. 7 b. 1 d. 6 Which compounds are Arrhenius…

A: pH = -log[H+]  [H+] = 10-pH  pH + pOH = 14.0

Q: Correct order of acidic strength is : (1) HCOOH > CH3COOH > C2H;COOH (2) C2HCOОН > CH;COОH > НСООН…

A: The given acids above are carboxylic acids. The carboxylic acids undergo dissociation with water…

Q: Which one of the following is the strongest weak acid? Weak Acid Ка HCN 4.9 x 10-10 H2O2 2.4 x 10-12…

A:

Q: Really hoping for solutions since I’m having a hard time with this. Pls. skip if unsure or not…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: Calculate the hydronium ion concentration and pH of a 0.045 M solution of chloroacetic acid. (Ka =…

A:

Q: The weakest base below is   1.2 M Sr(OH)2   0.012 M LiOH   1.2 M CH3NH2   0.012 M Ba(OH)2

A:

Q: Which acid is weakest?   H3AsO3, Ka=5.1x10-10   HClO2, Ka=1.1x10-2   H3PO4, Ka1=7.5x10-3   H2PO4-,…

A: We have acid dissociation constant of four compound, we have to determine the weakest acid among…

Q: The pH of a 0.2 M solution of a weak acid HA is found to be 3.6. Calculate the Kb for A-

A: Wr will ionize HA , then calculate concentrations at equilibrium to find Kb .

Q: ich of the following is usually considered to be a weak acid? A) HCI B) HBr C) HI D) HF CH 26. Which…

A: (25) Given acids are  HCl, HBr, HI, HF    Among these acids HF is considered as a weak acid because…

Q: List the hydrogen halides in order from strongest acid to weakest acid. Rank from strongest to…

A: HF will be the weakest acid as the polarising ability of fluorine is the highest and H-F bond is…

Q: 4. Which of the following bases is the weakest? А. КОН В. NH3 C. CH;NH2 D. Ca(OH)2

A:

Q: c). B (if basic).o

A: Reaction of Salt in Water, K2C2O4(aq.) + H2O(l)---&gt;  2KOH(aq.) + H2C2O4(aq.)

Q: calculate the pH a solution prepared by adding 20.0 mL of 0.020 M NaOH to 0.10 M Na3AsO4.

A:

Q: (8): Calculate the pH and percent protonation of 0.10 M ammonia NH3 (aq)(use Table 15.9 to find the…

A: Calculation for finding out hydroxide ion:The base ionization constant for ammonia is 1.8*10-5

Q: 25. Which of the following is usually considered to be a weak acid? A) HCI B) HBr C) HI D) HF 26.…

A: Using formula: PH = - log[H+] where as [H+] ---&gt;&gt; concentration of H+ ion

Q: Label (i) the strongest acid and (ii) the weakest acid. COOH COOH COOH CI .COOH ČI Br F Br ĆI (A)…

A:

Q: Kb

A:

Q: True or false? 1. Arrhenius' definition states that an acid is a substance that increases the…

A: Acid-base concept:   As per our guideline we have to answer first question only.

Q: HX is a weak acid: Ka = 5.52 × 10–7. Calculate the pH of a solution in which [HX] = 0.0501 M and…

A: Here HX is a weak acid. Given data, Ka =5.52×10-7 [HX]=0.0501 M and [X1-]=0.00845 M

Q: IL d. both a and c represent weak acid behavior HA HA A HO HA HA A HO HA HA A H,O a. b. с.

A:

Q: A student needs a sample of 0.772539887245 M NaOH for a laboratory experiment. Calculate (a) the…

A: It is given that the concentration of sodium hydroxide (NaOH) sample is 0.772539887245 M, the…

Q: pH Scale 1) Consider the following solutions: [H,O*] = 3.2 x 10? [Н,0] - 2.0х 104 Oven cleaner…

A:

Q: a Which of the following solutions are acidic? (Select all that apply.) O 0.1 M NH3 O0.1 M NaCl O…

A: a. NH3 is a base as l.p. is present on N atom. Also, pOH = 0.5pKb-0.5logC = 2.37+0.5 = 2.87  pH =…

Q: 4. a) Indicate the Bronsted acid and its bases in the following reactions: H2CO3 + NH3 → HCO3- + NH4…

A: Bronsted acids are those acids which give H+ in aqueous solution and bronsted bases are those who…

Q: (а) NH N. H2 I or II (b) O2N- -NH3 H3C- -NH3 I or II

A: Among the following pairs, the compound that has stronger acid has to be given.

Q: Determine the Lewis acid and Lewis base in each reaction. Additionally, identify the atom that…

A: Lewis acids are e- pair acceptors and Lewis bases are e- pair donors. 1) The given reaction is:…

Q: 8. NH3 + H2O --> NH4* + OH What is H20 in this reaction? (a)acid (b) conjugate acid (c) base (d)…

A: According to bronsted Lowry's concept, acid is H+ donor and base is H+ acceptor.

Q: Part 3: Acidic & Basic Solutions and the pH Scale (s A neutral solution has equal amounts of aque An…

A: Acidic solution have H+ and basic solution have OH-.

Q: What is the pH of a solution after 0.00200 mol of HNO2(aq) (100 ml) has been combined with 0.00100…

A: First Calculate total volume in Litre. Then find out limiting reagent which is NaOH in the reaction…

Q: Which of the following solutions is acidic?  a. [OH-] > 1.0 x 10-7 M b. [H3O+] = 1.0 x 10-10 M c.…

A: Using the condition of pH‹ 7 for acidic solution we have solved this problem.

Q: 22. Hydrochloric acid (HCI) is a strong acid, and Hydroiodic acid (HI) is a weak acid. Which of t…

A: Acidic character of an acid is determined by the number of H+ ion concentration comes from acid.…

Q: In which equation(s) do/does water act as a Bronsted-Lowry base? You may choose one or more…

A: Given -: Acid base reactions  In which equation water act as Bronsted-Lowry base

Q: 1.0 M BHNO3 solution has a pH of 3.55. Calculate the Kb of B. Assume a temperature of 25°C

A: 1- We need to determine the pOH of the solution :  We know that, pH + pOH = 14  pOH = 14 - pH  pOH =…

Q: Calculate the pH for a 7.32×10^−6 NH3 solution with a Kb=1.76 * 10^-5 . NH3(aq) + H2O (l)…

A: To find pH

Q: Which acid is the weakest? Sulfurous Acid, H2SO3 (Ka = 1.5 x 10-2) Nitrous Acid, HNO2 (Ka = 4.0 ×…

A: Acids are the substances which increase the hydrogen ion concentration in the solution. Hence, the…

Q: is a weak acid? Of the following acids, a. HBr b. HCI C. HNO3 O d. H3PO4 e. HCIO4 е.

A: The question is based on the concept of acidity. we have to identify which of the given acid is a…