Please correct answer and don't used hand raiting solution Asolution BDoes aprecipitate formwhen A and Bare mixed?empiricalformula ofprecipitateammonium nitratepotassium acetateyesnoПzinc sulfatemanganese(II) iodideyesno☐potassium hydroxidemagnesium nitrateyesnoП

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Answered: solution A solution B Does a…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter13: Titrations In Analytical Chemistry

Section: Chapter Questions

Problem 13.12QAP

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(a) Interpret the variation, including the overall trend across the 3d series, of the following values of hydration enthalpies (in kJ mol·'). [Ca(H2O)«]²*: -2468; [Ti(H2O)«J*: -2700; [V(H2O)«]**: -2814; [Mn(H2O)6]**: -2743; [Fe(H2O)«]²+: -2843; [Co(H20)6]**: -2904; [Ni(H2O)c]*: -2986. (b) By making use of LFSE (Ligand field stabilization energy) in tetrahedral and octahedral geometries, predict whether hausmannite mineral (Mn3O4) has a normal spinel or inverse spinel structure. Describe the structure of the mineral in detail.
detailed and concise info about the PROCESSES OF MINERAL ORIGIN/ ORIGIN and GEOGRAPHICAL DISTRIBUTION of Carbonates, nitrates, and borates
(a) What is the percentage of MnO2 in a pyrolusite ore if a sample weighing 0.4000 g is treated with a 0.6000 g of pure H2C2O4.2H20 and dilute H2SO4 and after reduction has taken place (MnO2 + H2C2O4 + 2H+ Mn2+ + 2CO2 + 2H2O), the excess oxalic acid requires 26.26 mL of 0.1000 N KMNO4 for titration? (b) If pure As2O3 were used instead of oxalic acid, how many grams would be required in order for the other numerical data to remain the same?
(2) Boron is diffused into an intrinsic Si sample, giving the acceptor distribution shown in the Figure below. N a. Sketch thee equilibrium band diagram, and show the direction of the resulting electric field, for N(x)>>n¡ b. Repeat it for phosphorus diffusion for N(x)>>N;
1. A sample of feldspar weighing 1.500g is decomposed, and eventually there is obtained a mixture of KCI and NaCi weighing 0.1801 g. These chlorides are dissolved in H20, a 50-mL pipetful of 0.08333 N AGNO3 is added, and the precipitate is filtered off. The filtrate requires 16.47 mL of 0.100ON KCNS, with ferric alum as indicator. Calculate the percentage of K20 in the silicate.
33
Manganese silicide has the empirical formula MnSi andmelts at 1280 °C. It is insoluble in water but does dissolvein aqueous HF. (a) What type of compound do you expectMnSi to be: metallic, molecular, covalent-network, orionic? (b) Write a likely balanced chemical equation for thereaction of MnSi with concentrated aqueous HF.
(a) What is the percentage of MnO2 in a pyrolusite ore if a sample weighing 0.4000g is treated with 0.6000g of pure H2C2O4•2H2O and dilute H2SO4 and after reduction has taken place (MnO2 + H2C2O4 + 2H+→ Mn2++ 2CO2 + 2H2O), the excess oxalic acid requires 26.26ml of 0.1000N KMnO4 for titration? (b) If pure As2O3 were used instead of oxalic acid, how many grams would be required in order for the other numerical data to remain the same?
4 Please write defect formation reaction of FeO when it is 1) in atmosphere (Schottky pair): 2) at low oxygen partial pressure 3) at high oxygen partial pressure 4) In a perfect crystal of Feo, given cation and anion radii are 77pm and 140pm respectively, please predict its crystal structure, lattice constant, and the theoretical density of FeO.
Determine the mass (in grams) of magnesium metal required to produce 40.0 mL of H2with a temperature of 26.9 oC and an atmospheric pressure of 745 mmHg. Be sure to take into account water vapour using equation (3). Equation (3): See Image

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solution A solution B Does a precipitate form when A and B are mixed? empirical formula of precipitate ammonium nitrate potassium acetate yes no П zinc sulfate manganese(II) iodide yes no ☐ potassium hydroxide magnesium nitrate yes no П