Complete the following solubility constant expression for CaF2. K sp

Q: The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur oxygen chlorine ...

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Q: A 1.00 L buffer solution is 0.200 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLI. The Ka for C6H...

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Q: 4. The density of ice is less than that of water, which is rare for a solid. Discuss some situations...

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Q: Determine the molar solubility for Sr:(PO:): (Ksp = 1.0 × 10-31). 3 NEXT > Based on the given values...

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Q: 7. a) A solution was prepared by dissolving 0.02 moles ethanoic acid in water to give 1 L of solutio...

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Q: A 5.70 g iron ore was dissolved in concentrated HCl. After the dissolution, the resulting solution w...

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Q: What is the pH of a 7.8×10-5 M Ca(OH)2 solution?

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Q: Questions 1

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: Classify each acid as strong or weak. If the acid is weak, write an expression for the acid ionizati...

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Q: I pH

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Q: 2. How H-NMR is useful to predict the tac-mer isomers of [CoL3] where HL is 8-hydroxy quinoline)? Dr...

A: This Question is based upon H1 NMR SPECTROSCOPY.

Q: H 2 (g)+I 2 (g) rightleftharpoons2HI(g)+Heat How would the equilibrium shift if more gas were added ...

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Q: 5. How many grams of Calcium will it take to replace 1 gram of Hydrogen?

A: Here we have been asked that how many grams of calcium will it take to replace 1 gm of hydrogen? We ...

Q: the questions by writing the correct letter of your answer. Explain your answer briefly in 1 or 2 se...

A: Given-> (d)-> bleach ,pH 12.5 - 13.5 (e) ->distilled water ,pH =7  

Q: A 1.00 L buffer solution is 0.200 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLI. The Ka for C6H...

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Q: A reaction between silver nitrate and sodium chloride is a double displacement reaction that produce...

A: Double displacement reaction is a type of reaction in which exchange of ions take place between two ...

Q: The luminescent first-order decay of a certain organic molecule yields the following data t/s 1 2 3 ...

A: Given:            data of luminescent first-order decay of an organic molecule            variation ...

Q: plz answer both questions I'll upvote

A: A solution was prepared by dissolving 0.02 moles of Ethanoic acid (HOAc; pKa = 4.8) in water to give...

Q: How many grams of nickel(II) nitrate are needed to produce 35.7 g nickel(II) phosphate in the presen...

A: Given data, mass of nickel(II) phosphate = 35.7 g, molar mass of nickel(II) phosphate=366.02 g mol-1...

Q: The drawing below shows a mixture of molecules: key carbon O hydrogen nitrogen sulfur oxygen chlorin...

A: It is an example of stoichiometry  Here We are required to find the initial moles of each reactant a...

Q: The standard reduction potentials of the Sn2"/Sn and Ag*/Ag couples are -0.14V and +0.80 V, respecti...

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Q: Consider dissolving the barium nitrate in nitric acid HNO3, a strong acid (it reacts completely with...

A: Components in the solution are : Barium nitrate : Ba(NO3)2 Strong acid : HNO3 The question is to kno...

Q: The reaction of NO with H2 produces N2 and H20. The reaction is second-order with respect to NO and ...

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Q: What is the value of Ksp for Cr(OH)3 if the molar solubility for chromium (III) hydroxide was determ...

A: Ksp is the product of concentration of ions of sparingly soluble salt in water.

Q: 8.45 As we've seen, alkynes undergo many of the same addition reactions that alkenes do. What produc...

A: Here we have to write the major product obtained obtained by addition reaction of given alkyne ( 5-m...

Q: The following information is given for manganese at 1atm: boiling point = 2095 °C Hvap(2095 °C) = ...

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Q: A 0.45 M aqueous solution of HBrO at 48°C is found to have a pH of 4.85 . What is the value of Ka fo...

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Q: Give the group number where the cation belongs 1. Mercurous(Hg2-) ion gives a white precipitate with...

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Q: 1. How much heat is released when 165 g of liquid benzene, C6H6 (1), cools from 78.0°C to 12.0°C? (S...

A: The mass of benzene is = 165 g The decrease in the temperature of the liquid benzene is = 78.0oC to ...

Q: At equilibrium, the amount of product is increasing. True False

A: Equilibrium: The state of reaction at which the contraction of the reactants and products does not c...

Q: One QN not allowed. Replace not allowed with one that is allowed? a) n =3; l =3; ml = +2 b) n=2; l=1...

A: Which quantum number is allowed ?

Q: A solution contains 1.0 × 10-3 M Pb2*. Drops of a 5.0 x 10-1M solution of NaBr were added through a ...

A: To find that precipitation is formed or not .,  

Q: what is the electronic configuration for Lu3+

A: We have to write the electronic configuration of Lu3+

Q: Which can be used as a precipitating agent for Group 1 cation in the absence of HCl(aq)? HClO? Or Na...

A: Group I (Ag+, Pb2+, Hg2+) cations produce insoluble chlorides so they can be precipitated with dilut...

Q: A 1.00 L buffer solution is 0.200 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLI. The Ka for C6H...

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Q: A weak base, B, has a Kp value of 5.3 x 10-4. What is the hydroxide ion concentration in a 0.050 M s...

A: Given-> Kb = 5.3 × 10^-4  Concentration = 0.050 M  

Q: In which of the reactions below is ÄH (enthalpy change) not an enthalpy of formation? a. Mg(s)  + ...

A: Enthalpy of formation: When one mole of the substance is formed by its constituent elements in its s...

Q: The drawing below shows a mixture of molecules: key carbon O hydrogen nitrogen O sulfur oxygen chlor...

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Q: 9.81 Identify the reagents represented by the letters a-c in the following scheme: Br

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Q: copper complex crystallises straightaway when synthesising but the cobalt complex required the solut...

A: Recrystallisation is dependents on solubility of the complex.

Q: Which of the statements below are TRUE regarding the mean and standard deviation? I.    As the numb...

A: Given:- Which of the statements below are TRUE regarding the mean and standard deviation?

Q: An electrom is in ol f orbikal ahat Possible for different quanfems com it have? Values

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Q: Use average bond energies to estimate the energy change (in kJ/mol) for the reaction (all bonds are ...

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Q: Each of these three molecules contains an OH group. When dissolved in water one solution has a pH7. ...

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Q: change of the entropy for a process of dissolving the polymer in certain solvent is = -0.07- mol-K' ...

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Q: a) How many moles of ammonium bromide, NH,Br, would you need to add to a 100.0 mL solution of 0.250 ...

A: Here we have to determine moles of NH4Br to be added to the 100ml of 0.250M NH3 solution until pOH o...

Q: What is the pH of a 0.0013 M solution of niacin? Ka = 1.5x10^-5

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Q: If 44.8 L of chlorine react with hydrogen to make hydrogen chloride, about how many mole of hydrogen...

A: Hydrogen reacts with chlorine to form hydrogen chloride. The equation for the balanced chemical reac...

Q: A good rule-of-thumb for a weak acid-strong base titration is to choose an indicator whose transitio...

A: In a corrosive base titration, the titration bend mirrors the qualities of the comparing corrosive a...

Q: ssify these structures as bemiacetal, ncetal, or other, Hemiacetal Acetal Other OH HC CH CH3

A: Hemiacetal is formed by the reaction of aldehyde with alcohol .