Which of the following salts does NOT cause permanent hardness? B CaCl, © M8SO, Ca(HCO ,), 2

Q: 1. Titration of 0.485g sample by the Mohr method required 38.8mL of standard 0.1060 M AgNO3…

A: Given, Weight of sample= 0.485 g Concentration of AgNO3 = 0.1060 M Volume = 38.8mL = 38.8/1000 =…

Q: In the determination of iron in limonite, 0.5166 g of mineral is dissolved in acid and Fe2 + is…

A: Amount of limonite = 0.5166 g 42 96 ml of 0.0213 M Na2Cr2O4 is added in the titration. Molar mass of…

Q: Group III (Al3+, Cr3+, Fe3+, Zn2+) cations produce very soluble sulphides so they can be…

A: The Group III cations include Al3+, Cr3+, Fe3+, Zn2+, Ni2+, Co2+ and Mn2+ ions. The solubility of…

Q: The following chemical equations shows the stepwise Formation Constant expression (K₁ toks) of each…

A: The stepwise formation constant of the given complex is as follows:

Q: What

A:

Q: Choose standard substance for standardization of titrant for argentometric titration: NaCl; Na,S2O;;…

A: Ans Standardization  of titrant for argentometric titration( silver nitrate) AgNO3.  Silver Nitrate…

Q: Which of the following oxides is expected to form the most basic aqueous solution? A) Rb₂O B) In₂O.…

A: Basicity is the property of the compounds which have the ability to donate the electron pairs…

Q: A sample of impure tin of mass 0.535 g is dissolved in strong acidto give a solution of Sn2+. The…

A: Redox reaction or Oxidation-reduction reaction: The reaction in which the oxidation and reduction…

Q: 1.Calculate the normality of the solutions containing 5.267g/L K2Cr2O7 (the Cr is reduced to Cr3+).…

A: Since you have asked multiple questions in a single upload, if you want the second question to be…

Q: Which of the following salts does NOT cause permanent hardness? (A Ca(HCO,). (B M8SO , © CaCl, (D…

A:

Q: If possible, complete the following reactions. Include balancing and solubilities. a) CH120) b)…

A: The reaction can be completed as follows:

Q: 8. According to the regulatory documentation, the following indicators can be most used to determine…

A: Let us try to find out the answer.

Q: An AGNO3 solution with NaCI equivalent of 5,972 mg / ml is used as a titrant in volumetric analysis.…

A: The question is based on concept of volumetric titration. It involves estimation of Chloride in the…

Q: 2. A sample of pure sodium chloride (MW = EW = 58.44 ) weighing 0.2286 g is dissolved in water and…

A: Given data :  Mass of NaCl = 0.2286 g  Volume of AgNO3 = 50.00 mL                                  =…

Q: Which of the following salts does NOT cause permanent hardness? A FeCl, B CaCl, © Ca(HCO,), (НСО ,),…

A: The temporary hardness is to the presence of carbonates and bicarbonates of calcium and magnesium in…

Q: Consider the insoluble compound copper(II) carbonate, CuCO3. The copper(II) ion also forms a complex…

A: To write a net balanced equation and to calculate the equilibrium constant for the reactions.

Q: A sample of impure tin of mass 0.530 gg is dissolved in strong acid to give a solution of Sn2+Sn2+.…

A: Answer: To solve this question we have to convert the moles of NO3- into moles of tin by using…

Q: HBR, O2, CH3OH all have comparable molecular masses. List the dominant type of IMF for the pure…

A: Intermolecular forces: There are forces that arise between the two atoms of a compound. There are…

Q: What is the relationship between AG° and E? a. AG° FE b. AG° = -nFE° %3D с. %3D d. AG %3D e. AG =…

A: Relationship between ∆G° and E° ,  ∆G° = -nFE°

Q: the con- 2. Given the following two reactions and their equilibrium constants: LOT Cu(H,O),*(aq) + 4…

A:

Q: The titration of 86.9 mL of an unknown concentration H3PO4 solution requires 94.6 mL of 0.086 M KOH…

A: Volume of H3PO4 = 86.9 ml ...Or  because 1L = 1000 ml    ...so, = 86.9 ml × (1L / 1000 ml )  =…

Q: A mixture of NaBr, Nal and NaNO3 weighs 0.6500 g. With AgNO3, a precipitate of the two halides is…

A:

Q: A student was given Mg, Zn, Fe, and Cu metals He put each of them in dil HCIcontained in different…

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

Q: 4. Write a dissociation equation for the following: a) CaCl b) Al-(SO.)x0).

A: Dear student I have given answer to your question in the image format.

Q: What volume of 0.170 M KMnO4 would be required to titrate 0.38 g of K2[Cu(C2O4)2]⋅2H2O?

A: Given, molar concentration of  KMnO4 = 0.170 M            mass of K2[Cu(C2O4)2]⋅2H2O = 0.38 g Now,…

Q: A student weights out 1.118g of impure KHP, dissolves the sample in deionized water and titrate it…

A: We need to find the percentage KHP in the given sample. We are provided that 1.118g of impure KHP,…

Q: (OH)2​(aq)+2HCl(aq)CaCl2​(aq)+H2​O(l) An aqueous solution of Ca(OH)2with a concentration of 0.209 M…

A: Molarity of Ca(OH)2 = 0.209 M Volume of HCl = 25.00 ml Volume of Ca(OH)2= 15.93 ml

Q: A 0.7120-g specimen of iron ore was dissolved and passed through a Jones reductor. Titration of the…

A: In step -2 ,I am calculating the percentage of Fe and in step-3, the percentage of Fe2O3. Given…

Q: Given the balanced equation:  16H+ + 2MnO4- + 5C2O42- --> 2Mn+ + 10CO2 + 8H2O    If .184 g of…

A: The balanced chemical equation for the titration of oxalate ion with permanganate ion is given as,

Q: means of precipitation of the corresponding sulphides. Is there a pH range in which one of the two…

A: Explanation:Shows that the metal cadmium can be precipitated quantitatively at a PH range of around…

Q: What mass of NaOHNaOH is needed to precipitate the Cd2+ ions from 30.0mL of 0.500 M Cd(NO3)2…

A:

Q: A sample of unknown iron ore weighs 0.35 g. It is digested using dilute HCl. An SnCl2 solution is…

A: Given that,  Weight of iron ore = 0.35 g The neutralisation reaction take place between Fe2+ and…

Q: 1. A silver nitrate solution contains 14.77 g of primary standard AgNO3 in 1.00 L. What volume of…

A: