Question: Calculate the Pka, the Z² / r ratio and its electronegativity of the following compounds: I. It performs the hydrolysis reactions of the following salts: CaCl2 and ZnCl2 II. Carry out the hydrolysis reactions for the following oxysalts: KClO, K2SO4 and K2CO3

Q: Using LeChatelier explain why the addition of HCl to the NH3 (aq) + H2O (l) ⟷  NH4+ (aq) + OH– (aq)…

A: Le Chatelier's principle states that if any of conditions of a chemical reaction at equilibrium are…

Q: Cu2+ + OH H

A: In the presence of copper and basic medium, formaldehyde get oxidized to formic acid. Copper acts as…

Q: Complete and balance the following equation: NO2-(aq)+ Cr2O72-(aq)→ Cr3+(aq)+NO3-(aq)

A: NOTE: In the reactant, it will be NO2- and not NO2- and in the product, it will be NO3- and not…

Q: Need solution urgently help find the chemical reaction between NaI, Nabr and NaCl and developing…

A: Fluorescein is an organic dye which has wide applications and is used in forensics to trace blood…

Q: Calculate the pH of the solution after the addition of each of the given amounts of 0.0651 M HNO3 to…

A: The balanced equation is   C2H5N + HNO3 -------> C2H5NH+NO3–   Number of moles of C2H5N = M*V =…

Q: What is the charge on the aluminum ion when it forms aluminum sulfide?

A: An ionic compound is formed by the electrostatic interaction between the cation and the anion. A…

Q: The perecent of ionization of 0.09 M NH3 is (Hint ,K = 0.000018) (Write your answer to 1 d.p e,g…

A:

Q: Give the formula and name for the acid formed when 2H+ reacts with HPO4-2. Provide steps, thank u.

A: The acid is a species that can release a proton.

Q: Calculate the pH of a 0.381 M solution of ethylenediamine (H, NCH, CH,NH,). The pK, values for the…

A:

Q: 2. Calculate Ka for Aspirin solution (350 ml containing 1.26 g) with pH 2.6. The molecular formula…

A: Given data, Mass of aspirin=1.26gVolume=350mL=0.350LpH=2.6Molecular mass of aspirin=180g/mol

Q: 0.500 g of an impure ammonium sulfate sample is dissolved in water and treated with an excess of…

A: The reaction that takes place is following: (NH4)2SO4 + 2NaOH --> NH4OH + Na2SO4. Ammonium…

Q: Which of the following is(are) the correct expression for alkalinity? |Alk= (HCO3) - 2(CO3 2) - (OH)…

A: Alkalinity is the capacity of water to resist acidification.  Alkalinity is expressed in units of…

Q: 8. i) Identify the letter choice that shows the correct Bronsted-Lowry acid-base pairs for: H3PO…

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

Q: 23. lodide ion (1) is the conjugate base of hydroiodic acid (HI). Why doesn't sodium iodide cause an…

A: Conjugate acid and base pairs. A strong acid has weak conjugate base, and vice versa.

Q: When you Boil water in utensil, a white ppt gets deposited in inside walls of utensils. Identify the…

A: Introduction: The hardness of water is due to presence of high mineral content. When minerals like…

Q: Strontium sulfate is a compound that is often used to make glass and pottery glazes iridescent.…

A: In an aqueous solution, a charge balance equation relates the concentrations of positively charged…

Q: Assume you dissolve 0.235 g of the weak acid benzoic acid, CeHCO₂H, in enough water to make 3.00 x…

A: Benzoic acid, C6H5CO2H is a weak acid with pKa = 4.20  Mass of benzoic acid, C6H5CO2H (MW = 122.12…

Q: 2. Complete the balanced equation for the following reaction. Write the total lonic and net-lonic…

A: Sodium carbonate reacts with hydrochloric acid to form sodium chloride and carbonic acid. The…

Q: Most PFAAS have extremely low pka values (< 1), while oceans and rivers tend to be slightly basic…

A:

Q: In finding the pH of the solution containing amphiprotic salts, diluted solutions contain…

A: Concentration of NaHCO3 solution = 0.1 (M)Ka1 = 1.5*10-4, Ka2 = 4.69*10-11

Q: Use the References to access important values if needed for this question. Consider the following…

A:

Q: Salts of hypoiodite ion behave as a weak base, undergoing hydrolysis in water according to the…

A: Given Reaction:-  IO-  + H2O  &lt;----------&gt; HIO + OH-  Kh = 0.00044  Kh = [HIO ] [ OH- ] / […

Q: 3. Use the following atomic masses (in g/mol): As = 74.92; O = 16; K = 39.1; Cr = 52; Na = 23; Cl =…

A:

Q: Using pK, values given in Table 4.1, predict the position of equilibrium in this acid-base reaction…

A:

Q: How does CrBr3(s) break up in solution? Write subscripts and uperse numbers and do not include…

A: Criss-Cross method to determine charge on ions in polyatomic compound. let, Ax By be any compound x…

Q: What's the ppting agent of ferric ion and why nitric acid and hydrogen peroxide are added to…

A: The technique by which the ion amount or ions in a specific analyte are determined is called…

Q: Carboxylic acid has acidic functional group (-COOH) and Amine has basic functional group (-NH2).…

A:

Q: Calculate the pH of a 0.10M solution of NaHSO4 solution taking into account activity  (Ka2 = 1.92…

A: In acid base chemistry, if we add acid to water solution the concentration of [H+] ion concentration…

Q: a. Calculate the mmoles of l created on the reaction? 103 + 3 + H2O Reaction: b. The triiodide…

A: Concentration of a solution is the molarity which is defined as number of moles of solute in 1L of a…

Q: What is the dominant form of arsenic acid (H3A) at pH =9.23 ? Given: pKa1 = 2.24 , pKa2 = 6.96, pKa3…

A: H3A dissociates in the following three steps:  H3A ⇌ H+ + H2A-   pKa1 = 2.24 H2A- ⇌H+ + HA-2    pKa2…

Q: Suppose you decreased the pH of the biotin solution from 7.0 to 3.0 - what would happen to the…

A: We have to explain the effect of decreasing pH on the structure of the biotin.

Q: Calculate the pH of a 0.105 M solution of ethylenediamine (H,NCH,CH,NH,). The pKa values for the…

A: The pH of 0.105 M ethylene diamine solution is needed to calculated given that the pKa values of…

Q: Which compound is not extracted from sea water ?industrially A- Mg compounds

A: Which compound is not extracted from sea water industrially?

Q: The ionic strength of 0.10 M AI(NO3)3 is: O 0.30 O 0.10 O 0.70 O 0.60 O 0.20

A: Given: Concentration of Al(NO3)3 = 0.10 M Since Al(NO3)3 is an ionic compound which will dissociate…

Q: 300uL of C2H6N4S 1gal of NaCIO BUT apparently in solution it disassociates into: SCN(aq)+ OCI (aq) +…

A: Interpretation- To determine the concentration of cyanide gas in the given compound C2H6N4S in 1gal…

Q: Calculate the PH and POH for a .008 Moles solution of HC2H3O2  and .01 Moles in KC2H3O2

A: Answer: Buffer solution is a type of solution that resists the change in its pH on adding small…

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.