Which of the following salts does NOT cause permanent hardness? A FeCl, B CaCl, © Ca(HCO,), (НСО ,), D MgSO 4

Q: Use thermodynamic table below to find out if the solubility product of fluorite is lårger 100°C than…

A: The value of solubility product of CaF2 is needed to be determined at 100°C and at 25°C.  Given:…

Q: f Cl, and SiBr, were both liquids a 4

A:

Q: A sample of an Iron Oxalato complex salt weighting 0.135 grams requires 32.33 mL of 0.013 M KMnO4 to…

A: The chemical reaction between KMnO4 and iron oxalate salt in the acidic condition is shown below.

Q: Hardness in groundwater is due to the presence of metal ions, primarily Mg2+and Ca2+. Hardness is…

A: Hardness in groundwater is because of the presence of metal particles, essentially Mg2+and Ca2+.…

Q: What is the % of Cr in a sample of chrome-iron ore

A:

Q: If the formation constant for the Ni(CN)42- complex is 1.0x1022. Calculate the standard potential…

A: Given : The formation constant of Ni(CN)42- = 1.0 X 1022  And the reaction taking place is given as,…

Q: 50.00 mL of a solution containing both Ni* and Pb2* ions requires 46.32 mL of a 0.02041 M EDTA…

A: 1) Given: Volume of solution = 50.00 mL. Concentration of EDTA = 0.02041 M Volume of EDTA required…

Q: Calculate the solubility (in g/L) of Aluminum sulfide (Al2S3) In 0.25 M Al+3 solution. (standard…

A:

Q: Calculate the volume of 0.0864 M EDTA needed to titrate the Ca in a 1.028 g mineral specimen that is…

A:

Q: Will zinc carbonate (ZNCO3) precipitate from an aqueous solution containing 0.0081 M Zn(NO3)2,…

A:

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

A:

Q: Which of the following salts does NOT cause permanent hardness? A Ca(HCO,), 2. B M8SO , © FeCl, D…

A: Ans : C ( Hard water is the water that contains soluble salts of bivalent ions like calcium and…

Q: A complexes of the formula (Co(en),CI]CI prepared by the following procedure Dissolve 40 g of COCL,…

A: It is given that 40 g of COCl2.6H2O is dissolved in 125 mL of water and 16 g of en is dissolved in…

Q: AAS is the most widely used instrumentation for the analysis of metal and traces metal samples.…

A:

Q: The generic metal A forms an insoluble salt AB(s) and a complex AC5(aq). = 0.100 M, [C] = 0.0340 M,…

A: a) Given: The equilibrium concentrations of species are, => [A] = 0.100 M                  [C] =…

Q: Compare Column 1 from Column 2. Choose A If quantity in Column 1 is greater B If quantity in Column…

A: The permanganate method is used to determine Fe2+ content. In this reaction , MnO4- is reduced to…

Q: Leaching is extraction of solution from solid solvent. A. True B. False

A: in my opinion its true i guess

Q: MgBr, CaO H,O K,O Cu-Zn alloy 0, CuCl, NO, TiO,

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: You have 10ml of an 8% aqueous solution of H2Cl6Pt a) Calculate the platinum in this solution as…

A: Molarity is equal to number of moles of solute divided by the Volume of solution in Litres. Density…

Q: A hard water sample was found to have an equivalent of 0.1598 g CaCO3 (mw =100g/mol). What volume of…

A: Ionization of CaCO3: CaCO3 --------->  Ca2+  +   CO32- So, Number of moles of Ca2+  = number of…

Q: The solubility of Ag3PO4 is measured and found to be 2.00×10-3 g/L. Use this information to…

A:

Q: one of the following indicators is suitable for iodometry O a. mordant black O b. methyl red O c.…

A: In this question, we will see which indicator is used for iodometry titration.  You can see details…

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: 10. The reaction trans-[CoCl2(en)2]+ + H2 --> cis[CoCl(en)2(H2O)|2+ + Cl- is an example of…

A: HSAB principle : Hard acid prefer to bind with hard base while soft acid prefer to bind with soft…

Q: Which of the following salts does NOT cause permanent hardness? A FeCl, Ca(HCO 3) 2 B CaCl, D) M8SO

A: We have given that  Which of the following salts does NOT cause permanent hardness? A. FeCl2 B.…

Q: On what principle is the method of zone refining of metals based?

A: In nature,metals are not found in pure form . They exist in the form of compounds called ores.Metals…

Q: Solution of EDTA is particularly valuable as titrants because the reagent combines with metal ions…

A: The chemical equation for the reaction of the formation of the Fe(II)-EDTA and Fe(III)-EDTA and the…

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

A: Water have two types of hardness 1. Temporary hardness 2 Permanent Hardness

Q: The lustre of a metal is due to:(a) its high density(b) its high polishing(c) its chemical…

A: Metallic lustre is due to the mobile electrons present in metals which when de-excites releases…

Q: An exhausted zeolite softener was regenerated by passing 100 litres, of NaCl. Solution containing…

A:

Q: The generic metal A forms an insoluble salt AB(s) and a complex AC5(aq). The equilibrium…

A: he generic metal A forms an insoluble salt AB(s) and a complex AC5 (aq). The equilibrium…

Q: Find the normality of the solution containing 4.63 g/l k2Cr207 (Fwt 294.19) if cr+6 is reduced to…

A: Here the chromium is in +6 oxidation state it is reduced to +6 we need to calculate the normality

Q: 6.) Which of the elements in the table would you expect to form "a substitutional solid solution…

A: In the given data, the difference in atomic radii in percentage (∆R%) is given, the crystal…

Q: The pNO, in a solution that is 750 ppm in Cu(NO,), and 3.0 x 103 M Zn(NO,), are ........ A.W Cu=63.5…

A: In order to calculate pNO3- we have to calculate the concentration of NO3- for each solution in…

Q: Calculate the solubility (in g/L) of Aluminum

A:

Q: What is the Ksp for iron (II) sulfide if the iron (II) concentration in a saturated solution is…

A: Introduction Solubility of any particular substance is equivalent to the maximum amount of the…

Q: Use the data provided for stock concentration and mass to calculate the concentrations of each…

A: The dilution law is shown below: M1V1 = M2V2 Where; M1 = morality of known solution V1 = volume of…

Q: 2. The addition of dimethylglyoxime, H;C4H6O2N2, to a solution containing nickel(ll) ion gives rise…

A: Solution -

Q: The solubility of Cr(OH)3 is measured and found to be 1.31x10-6 g/L. Use this information to…

A:

Q: Formation constant and Gibbs free energy For the complex formation reaction where Mis any metal and…

A:

Q: Comparing the two quantities based on the given condition, which is greater I or II? or are they…

A: Iron in the form of ore found in +2 and +3 oxidation state.

Q: Find an analytical method to determine the amountof Cu or Fe in your oxalate complex.

A: On can determine the percentage of iron in an iron -oxalate complex such as (Kw[Fe(C2O4)y. zH2O)…

Q: -200 2 Fe + 0, →2 F 2C+02-2 CO -300 -400 -500 -600 -700 4/3 Al + 0, → 2/3 Al,0, -1000 -800 -900…

A:

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

A:

Q: What mass (in grams) of Na2S2O3 is needed to dissolve 0.44 g of AgBr in a solution volume of 1.0 L,…

A:

Q: 2. Write the two defect reactions for the solution of Nb2O5 into TiO2 3. Calculate the lattice…

A: Since you have posted multiple questions in a single session we are entitiled to answer first…

Q: Hydroxyapatite, Ca0(PO)(OH)2,has a solubility constant of Ksp 2.34 x 10-59, and dissociates…

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…