These is/are used as sequestering agent/s: I. CuSO4 II. KNaC4H4O6 III. Na3C6H5O7 IV. NaOH   II, III II, III, IV I I, III I, II These are usually used as alkalinizing agents except: Potassium Hydroxide Sodium Carbonate Calcium Hydroxide Sodium Hydroxide

Q: A land field near a chemical storage is contaminated by a highly toxic substance (hydrogen cyanide,…

A: To solve this, Henderson-Hasselbalch equation will be used as written below: pH = pKa +…

Q: What is the pH of a 0.012 M Ca(OH)2 solution? O 12.38 O 1.62 O 1.92 12.08

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Q: What is the pOH of a 0.030 M Sr(OH)2 solution? a. 12.78 b. 12.48 O C. 1.52 O d. 1.22

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Q: Chemistry Like aqueous solutions of Fe3+, bismuth ions (Bi3+) form acidic solutions with a pKa =…

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Q: Part III. Identify the acid and the base in cach reaction. Additionally, predict the product of the…

A: Arrhenius Theory :-     Acid are those substances which furnish H+ ion in aqueous solution.  Base is…

Q: Write the net ionic equation for the reaction of H2SO4  and NaOH.  (Remember that only the first…

A: Molecular equation between sulphuric acid and sodium hydroxide is given as (only 1st proton is…

Q: The OH ion concentration of a blood sample is 2.6 x 10 M. What is the pH of the blood? blood O a.…

A: pH  =  - log [ H3O+ ]  pOH  =  - log [ OH- ]  pH  +  pOH   = 14

Q: Vrite the balanced NET IONIC equation for the reaction that occurs when hydroiodic acid and ammonia…

A: Net ionic equation of HI + NH3

Q: The neutralization of a strong acid and strong base has an enthalpy change, ∆H°, = -55.9 kJ/mol. The…

A: At 650C ionic product constant of water , Kw = 1.20×10-13 and at neutral pH:…

Q: The pOH of a 0.025 M of HCIO4 is O a. 12.40 ОБ. 0.94 O c. 13.06 O d. 1.60

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Q: Total Acidity (mol/L) = [H+] + 2×[H2CO3-] + [HCO3-] - [OH-] Calculate the molar concentration of…

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Q: What is the concentration of sulfite ion in a 0.100 M sulfurous acid solution? O 1X 10 19 M O 1.0X…

A: Sulfurous acid has chemical formula H2SO3, is a diprotic acid with Ka1 = 1.3 x 10-2 and Ka2 = 6.3 x…

Q: What is the equilibrium molar concentration of Ni2+ in a solution prepared by adding 0.1182 mol of…

A: Given :-  Moles of Ni(NO3)2 = 0.1182 moles Concentration of NH3 solution = 2.4778 M Final volume of…

Q: What is the pH of a 1.40*10^ -2 mol/L Ca(OH)2 solution? (NOTE: To determine the actual hydroxide…

A: Given : Concentration of Ca(OH)2 = 1.40 X 10-2 mol/L

Q: Slake lime has a pH of 12. What is the hydrogen ion concentration of slake lime? 1. 4.50 M NaOH 2.…

A: pH:- pH means the potential of hydrogen ions. It is used to calculate the concentration of H+ ions…

Q: A solution of hydrobromic acid has [HBr] = 1.3×10-2 M. What is the pH of this solution

A: As per guidelines if multiple questions, first question is allowed to answer, please post  questions…

Q: The weak acid, chloroacetic acid, is a useful reagent in organic synthesis owing to a reactive C-CI…

A: Given: Concentration of chloroacetic acid i.e. CH2ClCOOH = 5.68 X 10-2 M = 0.0568 M And Ka of…

Q: A solution (total volume = 1L) of 0.4 M NH3 contains 12.78 g of NHẠCI (MW = 53.491 g/mol). Kb = 1.8…

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Q: A solution of CSH5N (pyridine, Kp = 1.7 x 10 °) has a pH of 9.40. What is the [C5H5N]? O 9.3 x 1011…

A:

Q: Consider the ncutralization reaction 2 HNO, (aq) + Ba(OH), (aq) 2H,O(1) + Ba(NO,),(aq) / A 0.115 L…

A: Ans: Balanced equation  2HNO3 (aq) + Ba(OH)2(aq)→2H2O (l) + Ba(NO3)2(aq) Molarity of…

Q: Phosphorus is present in seawater to the extent of 0.07 ppm by mass. If the phosphorus is present as…

A: Given that the concentration of the phosphorus in the sea water is 0.07 ppm by mass. To calculate:…

Q: Calculate the molar concentrations of 1.00-mg/L solutions of each of the following. (a) AgNO3, (b)…

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

Q: Write the equations that represent the first and second ionization steps for tellurous acid (H,TeO2)…

A: Ionization reactions are those reactions in which the compound given converts into ions on…

Q: %. What is the pH of 0.0015 M solution of nitric acid? a. 1.41 c. 5.65 b. 2.82 d. IL.18

A: To calculate the pH of 0.0015 M solution of nitric acid.

Q: A sample of calcium hydroxide (Ca(OH)2) has a concentration of 0.00473 mol/L. What is the pH of this…

A: The PH of Ca(OH)2 can be calculated as follows

Q: A Water sample has an alkalinity of 300 mg/L as CaCO3. Calculate the concentrations of alkalinity…

A: "Since You have posted a question with multiple sub-parts we will solve first sub-parts for you . To…

Q: Write the balanced equation for the neutralization reaction between H2SO4 and KOH in aqueous…

A: The chemical reaction in which strong acid reacts with a strong base that results in formation of…

Q: What is the pOH of a 0.030 M Sr(OH)2 solution? a. 1.22 b. 12.48 c. 1.52 d. 12.78

A:

Q: What are the products of the reaction between barium hydroxide Ba(OH)2 and hydrogen chloride (HCI)?…

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Q: aqueous solution? Select one: O a. magnesium oxide, MgO O b. hydrogen chloride, HCl O c. dihydrogen…

A: A Bronsted acid is the one which has the ability to donate proton in an aqueous solution.

Q: Determine the concentrations of the ionic species present in a 0.367 M solution of the H2SO3. (pKa1…

A:

Q: The following reaction is in equilibrium: NO2 (aq) + H20 (1) = HN02 (aq) + OH" (aq). Kh (NO,) = 2.2…

A: According to Le Chatelier's principle, when a system at equilibrium is disturbed, then the system…

Q: Fill in the left side of this equilibrium constant equation for the reaction of nitrous acid (HNO,)…

A:

Q: "Why does acid rain affect lakes with granite beds more than lakes with calcium carbonate or…

A: Acid rain results when SO2 and nitrogen oxides are emitted into the atmosphere and transported by…

Q: he reaction of an acid and a base only produces a salt and water as products. This is an example of…

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Q: For each, write the chemical equation for its dissociation in water: a. Co(NO3)2 b. Cu(NO3)2 + С.…

A: Interpretation: We have to write the equations for the following in water.

Q: 3. Maalox, an over-the-counter antacid, contains aluminum hydroxide, Al(OH)3, and magnesium…

A: The substances that can reduce the effect of acid are known as antacids. Basically, the antacids are…

Q: What salt is formed from the neutralization reaction between perchloric acid and potassium…

A: Perchloric acid formula is HClO4 Potassium hydroxide formula is KOH During the neutralization of…

Q: Im not really sure how or what I'm supposed to do for the question in the first picture with the…

A: Oxidizing agent is a substance that can oxidize other substance and gets reduce itself.    Reducing…

Q: The neutralization of a strong acid and strong base has an enthalpy change, ∆H°, = -55.9 kJ/mol. The…

A: The reaction we are considering is the auto-ionisation of water i.e   H₂O(l) ⇌ H⁺(aq) + OH⁻(aq)

Q: Calculate the pH when 0.84 g of LIOH is dissolved in 250.0 ml of water. 13.15 12.74 O 12.37 12.96

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Q: The K, for hypoiodite anion (IO) is 4.35x10-4. What is the pH of a 0.226 mol L solution of lithium…

A:

Q: Arrange the metals according to increasing reactivity with acids using the numbers 1 to 5. Write 1…

A: Since yo asked multiple questions so as per Q&A guidelines of portal I solved first image…

Q: A solution containing two alkaline earth metals ions is made from 0.050 M BaCl2 and 0.025 M CaCl2.…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: Write the equations that represent the first and second ionization steps for telluric acid (H2TeO4)…

A: ⊙ Telluric acid ⇒ H2TeO4                                     ⇓

Q: Carbonic acid, H2CO3, can be found in a wide variety of body fluids (from dissolved CO2). Calculate…

A: Carbonic acid (H2CO3) is a weak diprotic acid. The dissociation reactions involved are as shown…