A 0.10 M aqueous solution of which of the following salts will have the lowest pH? A. Ni(NO3)2 B. BaBr2 C. Ca(NO3)2 D. KCl E. KNO3

Q: а. Calculate the pH of a 0.0813M solution of hydrogen sulfide (H2S) where: H2Stag) > H*(ag) + HS…

A: pH is defined as negative logarithm of hydrogen ion concentration and it is represented as  pH =…

Q: a Write stepwise equations for protonation or deprotonation of this polyprotic species in water.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A solution is prepared by mixing 2.3 x 104 moles of sodium hydroxide (NAOH) and 4.5 x 106 moles of…

A: Since you have asked multiple questions, we are solving first question for you. For the remaining…

Q: A 0.263 g sample of Na2CO3 requires 28.35 mL of HCl to completely react with it. What is the pH of…

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Q: 11. Which pH change represents a 100 fold decrease in the hydronium ion concentration? C. pH 10 to…

A: 11. Given that , The no. Of folds of decrease in hydronium ion concentration is 100

Q: A solution with a low pH means what? 1. A high number of hydrogen ions are in a solution 2. A basic…

A: We are to find out what does a solution with lower pH mean. We will consider the concentration of…

Q: A 0.495M solution of nitrous acid, HNO2, has a pH of 1.83 a) Find the percent ionization of nitrous…

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Q: Calculate the pH of the following solutions: a) 0.1000 M NaOH, b) 0.1000 M CH3COOH (Ka = 1.8x10–5),…

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Q: 1. write the dissociation equations for each substance and calculate the pH. a) 0.0035 M HClO4 b)…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 2. The percent ionization of an acid is defined as the amount ionized divided by the initial…

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Q: 5) if 125.0 ml water is added to 175.0 ml a strong acid solution of PH = 3. What should be the PH of…

A: Molarity : It is one of unit of the measurement of the concentration of a solution. It is defined as…

Q: Carbon dioxide dissolves in water according to the equations:CO2( g) + H2O(l…

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Q: You make a solution by dissolving 0.0010 mol of HCl in enough water to make 1.0 L of…

A: The molarity of a solution is defined as the number moles of solute per liter of solution. In the…

Q: I'm not sure how to solve 115. I saw one solution that used the ka to solve it, but I don't…

A: For polyprotic acids, the dissociation of acid occurs into multiple steps but the major dissociation…

Q: A 0.050 M solution of the salt NaA has a pH of 9.00. Determine the [OH] and the pH of a 0.010 M…

A: Initial pH = 9.0 Calculation of [H+]: pH=-log [H+]9=-log…

Q: LINO3 is added to water. Will it change the pH, and if so, how? Yes, and the pH will be 7. You want…

A: We can determine if a salt added to water will make pH of water more acidic,basic or will remain…

Q: A 1.0 liter solution contains 0.25 M hydrogen fluoride (HF) and 0.38 M sodium fluoride (NaF). What…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: What quantity of moles of glucose (C₆H₁₂O₆) in 0.500 L of a 0.400 M solutions?     The pH of a basic…

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Q: A solution is prepared by mixing 2.3 x 104 moles of sodium hydroxide (NaOH) and 4.5 x 10-6 moles of…

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Q: A chemist makes a 1.0 L of a solution that is both 0.6 M NH, and 0.8 M NH,CI. pK, of NH3 = 4.75.…

A: Given :-  Concentration of NH3 solution = 0.6 M  Concentration of NH4Cl = 0.8 M  Volume = 1 L  pKb…

Q: The odor of spoiled butter is due in part to butanoic acid (HC4H7O2) which results from the…

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Q: Calculate the pH of the following solutions.(1a): 7.5 x 10-2 M HCl(1b): 0.0062 M KOH(1c): 2.84 g…

A: Hi there! Since this question contains multiple parts so I am answering the first three parts.

Q: HA, a weak acid, also forms the ion HA2- in solution. The reaction is HA(aq)+A−(aq)↽−−⇀HA2-(aq)…

A: The ratio of moles to volume is known as concentration.

Q: 5. The binding of oxygen by hemoglobin in the blood involves the equilibrium reaction: HbH*(aq) + 02…

A: This problem can be solved by using the Le chatlier's principle. According to Le chatlier's…

Q: Calculate the pH of a mixture containing 0.23 M HONH2 and 0.44 M HONH3Cl. (Kb = 1.1 × 10–8)  What…

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Q: 7. Carbonic acid (H2CO3) is a diprotic acid with Ka1 = 4.30 × 10–7 and   Ka2 = 5.60 × 10–11 What…

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Q: Methane sulfonic acid, CH3SO3H (methanesulfonic acid) is a strong acid. Here is the reaction Of the…

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Q: 6. Which of the following has the highest pH? a. 1.00 M NaNO3 b. 1.00 M NaNO2 c. 1.00 M NaH,PO4 d.…

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Q: An aqueous solution contains 0.443 M acetic acid. Calculate the pH of the solution after the…

A: The solution of a weak acid will form the buffer solution due to the presence of weak acid and its…

Q: Choose the solution with the lower pH:(a) 0.5 M CuSO₄ or 0.25 M Al₂(SO₄)₃(b) 0.3 M ZnCl₂ or 0.3 M…

A: (a) When CuSO4 is dissolved in water the following reaction takes place: Dissolution and…

Q: The diagrams here show three weak acids HA (A = X, Y, or Z) in solution.  (The hydrated proton is…

A: Given, Three acids HX, HY & HZ. Hydronium ion is shown in figure (red).

Q: Are solutions of the following salts acidic, basic, or neutral? For those that are not neutral,…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: An analytical chemist is titrating 168.4 mL of a 0.2500 M solution of ammonia (NH,) with a 0.7000 M…

A: Ammonia is a weak base and HNO3 is a strong acid. pH of the resulting solution at the equivalence…

Q: 8. A chemist mixed 57.9 ml of 0.222 M HNO, with 45.7 ml of 0.345 M KOH. K, HNO, is 4.5 x 104. a.…

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Q: Which of the following has the highest pH? O pure water O 0.1 M HA, pK, = 11.89 O 0.1 M HD, pK, =…

A: It is well known that the lower value of pH has a high concentration of hydrogen ions [H+]. The…

Q: a) A solution consists of 0.15 M NH4Br and 0.18 M NH3. Calculate the pH of 1.00 L of the solution…

A: Buffers are solution that are used to resist the change in pH of the solution. They can be…

Q: HF(ag) + H2O(1) 2 H3O* (aq) + F (aq) Ka 6.3 x 10-4 at 25°C The acid ionization equilibrium for HF is…

A: HF is a weak acid that does not dissociate completely. The addition of NaF is preparing a buffer…

Q: Like other people, I have been able to do more cooking and baking during COVID quarantine and remote…

A: A buffer solution is a solution which can resist its pH when quantities of acid or base are added to…

Q: Sodium bisulfate, NaHSO4, is used in some household cleansers as a source of HSO4- ion, a weak acid.…

A: [HSO4- ] = 0.75 M HSO4-1+ H2O ------> SO42- + H3O+

Q: HC2HO3 (aq) _ H2O (l) H3O+ (aq_ + C2HO3- (aq) pKa =3.18  at  25C   The equilibrium for the acid…

A: pH = pKa + log[salt]/[acid] Number of mmol = Molarity × Volume in mL

Q: A solution of volume 0.500 L contains 1.68 g NH3 and 4.05 g (NH4)2SO4. N: 14, H:1, S:32, O:16…

A: A buffer solution is an aqueous solution consisting of a mixture of weak acid and it's conjugtae…

Q: 4. If you had 98 ml of a .60M solution of HCN that you mixed with 110 ml of a 0.50M solution of KOH,…

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Q: For which of these pairs of species is the first species an acid AND the second species is its…

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Q: 8. A chemist mixed 57.9 mL of 0.222 M HNO, with 45.7 ml of 0.345 M KOH. K, HNO, is 4.5 x 104. a.…

A: HNO2 is a weak acid and KOH is strong base  MilliMoles of HNO2 = 57.9mL x 0.222M…

Q: The hydronium ion concentration in a sample of rainwater from a remote location is found to be 1.7 x…

A: We have hydronium ion concentration in a sample of rainwater as 1.7*10-6 M, we have to calculate the…

Q: 13.145 Which of the following solutions should have the lowest pH? Choose the best answer. A 0.2 M…

A: Given that, 0.2 M solutions of NaOH, NH3, HCl, HF, and H2CO3. We have to tell among the given…

Q: Over the past 250 years, the average upper-ocean pH near the Pacific Northwest has decreased by…

A: At pH 8.2, the concentration of hydrogen ions is equal to 10-8.2 which is equal to 0.6306 × 10-8 M…

Q: Dissolve 5.00 g sodium-hydroxide in water and take out 10 cm3 from this solution, then dilute it to…

A: Given in the question , Mass of NaOH = 5.00 g of NaOH Total volume of diluted solution = 500…

Q: A solution with a volume of 1.00 L is 0.350M in CH3COOH(aq) and 0.450 M in CH3COONA(aq). What will…

A: We have a buffer solution of acid  CH3COO-Na   and salt CH3COOH      From the Henderson-Hasselbach…

Q: Calculate the pH of each of the following strong acid solutions. (a) 0.00483 M HNO3 pH (b)…

A: In chemistry, pH ( "potential of hydrogen" or "power of hydrogen") is a scale used to specify the…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.