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Fe3+(aq) + SCN-(aq) to Fe(SCN)2+(aq). Identify the reactant or product that increases or decreases when AqNO3 is added and AgSCN(s) formed.
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- Fe3+(aq) + SCN-(aq) to Fe(SCN)2+(aq). Identify the reactant or product that increases or decreases when HCl is added.Given the equation Ag+(aq)+2NH3(aq)⟶[Ag(NH3)2]+(aq)Kf=2.00×107Ag+(aq)+2NH3(aq)⟶[Ag(NH3)2]+(aq)Kf=2.00×107 determine the concentration of NH3(aq) that is required to dissolve 669669 mg of AgCl(s) in 100.0 mL of solution. The KspKsp of AgCl is 1.77×10−101.77×10−10.1. What is the conjugate base of the formic acid HCO,H? 2. You have a 5.43 x 10 M solution of HNO, at 25 °C. Calculate the [OH] of this solution? 3. A solution that has a pH of 4.5 is (acidic, basic, neutral)? 4. A solution has a hydronium ion concentration of 3.2 x 10 M. Calculate the pOH.
- Given that Ksp for AgCl is 1.6E-10 and Kf for Ag(CN)2- is 5.6E8, calculate the concentration of Ag+ when 0.15 M AgNO3 is reacted with 0.25 M KCN.How many moles of Ca2+ and OH-ions are produced for every one mole of Ca(OH)2 that dissolves in solution? Ca(OH)2(s)↔Ca2+(aq) + 2OH–(aq)Write the reaction quotient for: Pb2+(aq) + 2 Cl- (aq) ⇌ PbCl2(s)
- Given the equilibria: P6F2(s) = Pb2*(aq) + 2F¯(aq) Ka HF(aq) + H2O(1) 2 H;O*(aq) + F(aq) K What is the equilibrium constant for the equilibria? Kes 2H2O(I) + Pb²*(aq) + 2HF(aq) PBF2(s) + 2H3O*(aq) = (A) K, = Kq -2Kg (B) K, = Kq ×(K,)* (C) Keg (D) Ke, %3D KWrite the equilibrium constant expression for the following reaction:Methyl orange is an indicator used for detecting the pH of acidic solutions. The red, protonated form of the indicator (HIn) dissociates into a yellow, deprotonated form (In¯) as shown in the reaction. The pKa for methyl orange is 3.4. HIn(aq) = H*(aq) + In¯(aq) yellow red Identify the color of a solution containing methyl orange Identify the color of a solution containing methyl orange indicator at pH 2. indicator at pH 3.4. orange yellow yellow orange red red Identify the color of a solution containing methyl orange indicator at pH 6. orange yellow red
- For the following, complete the equilibria, then state whether reactants or products are favored. Reactant Product Favored or not Favored a Fe(H2O)63+(aq) + OH2-(aq) ⇌ b H2SO3aq+ IO3-aq⇌ c CN-aq+ H2PO4-aq ⇌Calculate the equilibrium constant Kc for the net reaction shown below. AgCl (s) ⇌ Ag+ (aq) + Cl− (aq) Ksp = 1.6 x 10-10 Ag+ (aq) + 2 NH3 (aq) ⇌ Ag(NH3)2+ (aq) Kf = 1.5 x 107 AgCl (s) + 2 NH3 (aq) ⇌ Ag(NH3)2+ (aq) + Cl− (aq) Kc = ? Using net reaction, determine the molar solubility of silver iodide in 1.0 M NH3.Determine the equilibrium constant for the following reaction: Ca(OH)2(s) + 2 H+(aq) --> Ca2+(aq) + 2 H2O(l) given the chemical reactions below. Ca(OH)2(s) --> Ca2+(aq) + 2 OH-(aq) K = 6.5 X 10-6 H2O(l) --> H+(aq) + OH-(aq) K = 1.0 X 10-14
