Which metal sulfides can be precipitated from a solution that is 0.01 M in Mn2+, Zn2+, Pb2+ and Cu2+ and 0.10 M in H,S at a pH of 1.0? Metal Sulfide MnS Zns 3x> Pbs Cus Top to bottom, Ksp values are; 3x 1016, 3x 102-, 3x 107-, 6x 1016-. PbS, Cus Cus MnS ZnS, PbS, CuS

Q: 0.00188 g of AgCl dissolves in one liter of H2Oat 25 * c. Write the balanced chemical equation for…

A: 0.00188 g of AgCl is dissolved in 1 L of H2O at 25 °C7.8 × 10- 5 moles of silver chromate is…

Q: Calculate the [Ag+] in a solution prepared by dissolving 1.00 g of AgNO3 and 10.0g KCN in enough…

A: Reaction: Ag+ +2CN- ⇋ [Ag(CN)]- 1 mole of AgNO3 reacts with 2 moles of KCN to form 1 mole of…

Q: Consider the insoluble compound silver hydroxide , AgOH . The silver ion also forms a complex with…

A: Equilibrium constant tells about the direction of a reaction. Solubility product of an insoluble…

Q: A solution contains 2.2 × 103 M in Cu2+ and 0.33 M in LiCN. If the Kf for Cu(CN)42 is 1.0 x 1025,…

A: Step 1:

Q: What

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Q: Balance the following equation:   Al + OH- --> (Complex Ion)

A: Answer :- 'Al' (Aluminum) is its elemental state i.e. its oxidation state =0. [OH]- has negative…

Q: 0.00247

A: Molarity of KMnO4 = 0.0010 M Volume of KMnO4 = 4.94 mL At equivalent point,  Geq. of KMnO4 = Geq. of…

Q: What volume of 0.130 M  KMnO4 would be required to titrate 0.36 g  of  K2[Cu(C2O4)2]⋅2H2O

A: We should equal equivalent of both KMnO4 and compund ion to get volume of KMnO4 Equivalent =…

Q: Calculate the molar concentration of cadmium(II) ion in equilibrium with solid Cd(OH)2 at pH =…

A: Solubility product constant (Ksp) of cadmium hydroxide (Cd(OH)2) solution is 2.5×10-14 The given…

Q: Iron was analyzed by dissolving 1.1324 g sample in concentrated HCL. The solution was diluted in…

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Q: Write a balanced equation for the solubility equilibrium of Ni(

A: For given Compound :  Ni(OH)2

Q: For the determination of Ca in blood serum, 5 mL of a serum sample is taken and the Ca2 + in it is…

A:

Q: A sample of water has a pH of 5.3. The concentration of bicarbonate (HCO3-) in the sample is 190…

A: The concentration of hydrogen ion and hydroxide ion in mg/L is; H+=10-5.3H+=10-5.3 mol/L×1g/mol×1000…

Q: Calculate the pH of a 0.021 M CN - (aq) solution. [Ka(HCN) = 4.9 × 10-10]

A: Answer :

Q: Iron was analyzed by dissolving 1.1324 g sample in concentrated HCL. The solution was diluted in…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: The equilibrium constant for the formation of Cu(CN)42- is 2.0 x 1030. Calculate the value of pCu2+,…

A: we have to calculate the value of pCu2+

Q: Find the equilibrium constant for the reaction Na(s) + Fe3+ Fe2+ + Na+

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Q: Write the balanced net ionic equation for the reaction that occurs in the following case:…

A: Oxidation is the loss of electrons which occurs at anode while reduction is the gain of electrons…

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: ihe oxidation state of Mn in Mn04 (-1) is: +4 O +3 +5 O +7 Buffers usually are composed of: Weak…

A: The oxidation state or number of an atom or ion in a molecule/ion is determined by:i) Calculating…

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: Zinc carbonate and Nickel hydroxide both are sparingly soluble salt. We know solubility of sparingly…

Q: A sample of copper oxide weighing 2.013 g is dissolved in acid, the pH adjusted, and excess KI…

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Q: 2. There is a phosphate buffer with 0.1 M of NaH₂PO4 0.1 M of Na₂HPO4. Calculate pH of buffer…

A: A buffer solution is a combination of two solutions - a weak acid solution and the salt of its…

Q: A compound is known to be Na2CO3, Na2SO4, NaOH, NaCL, NaC2H3O2 or NaNO3-. When barium nitrate…

A: The unknown compound can be anyone out of Na2CO3, Na2SO4, NaOH, NaCl, NaC2H3O2, or NaNO3.  Given the…

Q: A solution may contain any of the three (Pb^2+, Ag+ and Hg2^2+) group I cations. A white precipitate…

A: The most important cations in 1st group are Ag+, Hg2+2, and Pb2+. The solution may contain any of…

Q: You dissolve 0.191 g of NaOH in 2.00L of a buffer solution that has (H2PO,] = НРО %3D [HPO,*) 0.138…

A: 1.) To calculate the pH of buffer solution before adding NaOH, we would use Henderson Hasselbalch…

Q: the precipitated formed when Fe(NO3)3 is mixed with KOH is?

A: Ferric nitrate reacts with potassium hydroxide to produce ferric hydroxide and potassium nitrate.

Q: 11.43%, just before end point

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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: Which of the following salts will NOT be more soluble in acidic solution? CaCO, PbS Agl O Mg(OH)2…

A: CaCO3 is the molecular formula of calcium carbonate. It is a common substance obtained in rocks as…

Q: Write a balanced net ionic equation to show why the solubility of Zn(OH)2(s) increases in the…

A: In a balanced equation, the number of atoms of each element and charges are equal on both the side…

Q: If a solution contained Ni2+ ions at a concentration of 0.1 M, what pH would have to be reached…

A: Write the solubility product expression (Ksp) for the given process,

Q: Can cadmium (II),  and mercury (II) be separated quantitatively by precipitation as sulfides from a…

A: The solution to be separated has [Cd(NO3)2] = [Cd2+(aq)] = 0.15 M [Hg(NO3)2] = [Hg2+(aq)] = 0.10 M…

Q: Calculate the concentration of free Al³+ ion at equilibrium when 1.08x10-² mol aluminum nitrate is…

A: The question is based on the concept of chemical equilibrium.We need to calculate equilibrium…

Q: Consider the insoluble compound silver hydroxide , AgOH . The silver ion also forms a complex with…

A: Solubility of AgOH in CN- ions increases because Ag+ ion make complex with CN-ion , which decrease…

Q: What is the concentration of Cu2+ (aq) in the solution?

A: Since the Kf value is very large so reaction proceeds almost in forward direction.  Initial…

Q: 1)Write a balanced chemical equation for the following cations, include states as a subscript:…

A: NOTE- As the question contains independent parts, We will solve the first part for you. To get the…