Co+2         Mn+2         Zn +2

Q: For 5.00x10-2 M aqueous solution of citric acid, whose pH was adjusted to 5.00, calculate the…

A: Given, pH of citric acid = 5.00

Q: 2. In the following equations, there is only one base and two acids, or one acid and two bases, in…

A: Weak acids and bases are lower in energy than strong acids and bases, and because equilibria favor…

Q: Given the following salts and their Ksp values: (1) Silver Bromide, with Ksp = 5.0 x 10-13 (2)…

A: The value of solubility product constant indicate the concentration of ions present in solution.…

Q: In UV/Vis spectrometry calculating the iron in an iron tablet, when preparing the sample, an iron…

A: 1) Answer - According to the question - HCl is added to the sample and the sample is heated to…

Q: A sample of 5.034 g containing ammonium sulphate was warmed with 50 cm³ of 0.400 M NaOH (excess).…

A: a.) To calculate the mass of ammonium sulfate , we first Calculate total moles of NaOH that are used…

Q: 13-22. The arsenic in a 1.203-g sample of a pesticla was converted to H2ASO4 by suitable treatment.…

A: The given data contains, weight of pesticide = 1.203 g. volume of AgNO3=40 ml.Concentration of…

Q: O 5 drops of thioacetamide O separation of red precipitate O formation of white precipitate O zinc…

A: We know Analytical chemistry concerned with the chemical characterization of matter, both…

Q: Your research advisor asks you to prepare a buffer solution at pH = 12.5 with capacity of about…

A: To make a buffer of desired pH/pOH with best buffer capacity, that acid /base should be used which…

Q: A sample containing both HCl (FW 36.45) and HNO3 (FW 62.98) had a density of 1.083 g/mL. A 10.00-mL…

A:

Q: Deuterium oxide 1D2O, where D is deuterium, the hydrogen-2 isotope) has an ion-product constant, Kw,…

A: D2O⇌D++OD-KW=D+OD-=8.9x10-16

Q: Which of the following comninations will result in a precipitate? Pb2+ + Cl- bBa2+ + CO3 2- Fe3+…

A: To know the solubility of salt, some solubility rules are given. For example, salts of Na+ , K+ ,…

Q: trace acid + pH = 5 %3D major product

A: This is the shiff base formation reaction .

Q: ALL INFORMATION NEEDED IS PROVIDED, I NEED FIRST QUESTIONS ANSWERED FIRST BEFORE OTHERS CAN BE…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: Use the References to access important values if needed for this question. Write a balanced net…

A: BaF2 (s) + H2SO4 (aq) ----> BaSO4 ( s) + 2HF (aq) On splitting out it...we have ; BaF2 (s) +…

Q: Hydrochloric acid is about as strong a mineral acid as sulfuric acid, why would HCl not be a…

A: Catalyst Catalysts work by providing an alternative pathway for a reaction to occur, typically…

Q: Help with a. Calculate the ka, concentration of H+ and pH. please show the algebraic process to get…

A: We have to calculate Ka, concentration of H+ and pH of the solutions.

Q: 0.030 moles of a weak acid, HA, was dissolved in 2.0 L of water to form a solution. At equilibrium,…

A: Solution :      Weak acids don't dissociate completely in an aqueous solution. They are not capable…

Q: A solution of 611.7 ml of 0.00067 M A3B2 is mixed with a solution of 192.5 ml of 0.00099 M C1D2.…

A: Given:- Initial volume of A3B2 solution = 611.7 mL- Initial concentration of A3B2 solution = 0.00067…

Q: What is the pH and fraction of dissociation of a 0.100 M solution of the weak acid HA with Ka =1.00…

A: pH and fraction of dissociation of a 0.100 M solution of the weak acid HA with Ka =1.00 X10(-5) are…

Q: A solution containing Mg2+ was buffered to pH 9.99 and titrated with EDTA. Eriochrome black T, with…

A: Eriochrome black T is a diprotic acid, represented as H2E.

Q: Write the acidic ionization equation for HCI. Be sure to include the proper phases for all species…

A: When an acid dissolved in water, it ionizes completely or partily in aqueous solution. General…

Q: The equilibrium constant for the reaction between a weak acid and a weak base can be calculated from…

A: The net reaction between formic acid and NH3 is: HCO2H + NH3→NH4+ +HCO2-

Q: B: What is the pH of 0.6 M NHẠC1 solution? Discuss your results. (Kb of NH= 1.8 x 105) NH4* + H2O+…

A: In the given question we have to calculate the pH of 0.6 M NH4Cl Solution. we know that the ammonium…

Q: Question 10 of 10 Calculate the [NH3] in a solution of 0.360 M ammonium cyanide (NH4CN). Hint: Use…

A:

Q: please provide detailed solution and give the explanation of the concept....

A: First, we need to calculate the number of moles of HNO2 and NaOH. The number of moles of a substance…

Q: What is the pH of a solution containing 0.692 mol L-1 of a weak acid with pKA 3.8 and 0.89 mol L-1…

A: Given:Concentration of weak acid 1, C1= 0.692 MpKa for weak acid 1 = 3.8As pKa = - log ( Ka ) Ka1 =…

Q: For H3PO4, Ka1 = 7.3 × 103, K2= 6.2 x 10-8, and Ka3 = 4.8 x 10-13. What is the concentration of the…

A: Given:Initial concentration of phosphoric acid = 0.12 MThe strength of an acid in aqueous solution…

Q: On the axes below, sketch the graphs which show the result of adding: 0.1M NaOH to 25cm3 of 0.1M…

A: Interpretation-  To sketch the graph which shows the the result of adding -  0.1M NaOH to 25cm3 of…

Q: Jojo Color HC,H,O, ZNSO,

A:

Q: (b) AgNO3 test : Red precipitate formed , which dissolved in dilute HNO3 BaCl2 test : Yellow…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: 13. Anhydrous sodium carbonate is used as the primary standard to determine the exact concentration…

A: A primary standard is generally used in  titrations to identity the end-point. It must be highly…

Q: Calculate the [NH3] in a solution of 0.210 M ammonium fluoride (NH,F). Hint: Use the Ka of HF (6.8 x…

A: We have find out the [NH3] in a solution of 0.210 M ammonium fluoride (NH,F).

Q: help please answer in text form with proper workings and explanation for each and every part and…

A:

Q: Calculate the pH of a buffer solution containing 10.0 cm³ of 0.100 mol dm-³ NaOH and 20.0 cm³ of…

A: 1 dm^3 = litre  1 cm^3 = milli litre  Millimoles = molarity (mol/L)* volume (in ml)

Q: Calculate the concentrations of H₂C₂O4, HC₂04, C₂042, and H* ions in a 0.261 M oxalic acid solution…

A:

Q: If [H3O*] = 3.8 x 10-3 M, what is the pOH of the solution? %3D O 2.42 O 2.13 O 2.77 11.58

A: The given data contains, H3O+=3.8×10-3M.

Q: (1) The following unknowns were tested. Identify the anion. If none present, write " None (a) AGNO3…

A: Qualitative analysis

Q: Excess Cu(OH)2 is placed in a beaker and nitric acid is added to dissolve some of the copper oxide.…

A: In the beaker, when excess reacts with nitric acid , several reactions occur to dissolve some of…

Q: Give detailed Solution with explanation needed

A: Under the assumption of an ideal solution, one in which ions move and collision in a random manner,…

Q: Calculate the pH of two HCl solution based on their concentrations of 0.001 and 0.0001 M. Then…

A: #Part-1: HCl is a strong monoprotic acid.  Since HCl is a strong monoprotic acid, it is completely…

Q: help  please answer in text form with proper workings and explanation for each and every part and…

A: 100 ml 0.2 M CH3COOH + 0.1 M KOHFor 0 ml KOH added:CH3COOH ==> CH3COO- + H+Ka = 1.8x10-5 =…

Q: A solution containing Mg2+ was buffered to pH 9.75 and titrated with EDTA. Eriochrome black T, with…

A: EBT is used as metal ion indicator.

Q: A standard solution contains 100 ppm of Fe, which was found to have an absorbance of 0.151 au at 508…

A:

Q: alculate the [H+] and the pH of a buffer solution that is 0.20 M in HC2H3O2 and contains sufficient…

A: the solution is as follows:

Q: 1. Prediction of pH and hydrolysis of salts: Aqueous Solutions NH4CI NaCI Na2CO3 CUNO3 NaC2H3O2…

A: Given : Incomplete table of prediction of pH value.  To find : PH of compounds is nature of the…

Q: In following these steps . Complete the table and provide th given chemical reactions in the…

A: Since the table has not been given, thus only the reactions of group 3 cations are provided. Group 3…