To oxidize the iron in 1.00 gram of FeSO4·(NH4)2SO4·6 H2O requires 5.00 mL of HNO3. (Fe 2++ NO3― + H+→ Fe 3++ NO + H2O) How much water must be added to 500 mL of this acid to make the concentration as an acid exactly one-tenth normal?

Q: Given the following reactions: 3C D   KC​=5.52×10−4 D 3A+3B   KC​=6.73×10−2   Calculate the value…

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Q: (a)Write the equilibrium expression for the following reaction: Co^2+ (aq) + 3 NH3(aq) Co(NH3)3^2 +…

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: A l ( N O 3 ) 3 ( s ) ⟶ A l 3 + ( a q ) + 3 N O 3 − ( a q ) Calculate the moles of nitrate ions in…

A: Al(NO3)3 (s)  ⟶ Al3+ (aq) + 3NO3− (aq) To calculate the number of moles of nitrate ions in 20.77 ml…

Q: Cu2+, Cu2* (ag) + 6 H2O, → Cu(H2O)6* (aq) 2+ (ад)

A: Cu2+ (aq) + 6H2O(l) --> Cu(H2O)62+(aq)

Q: (iii) Write the equilibrium constant for the following chemical reaction +2 Mn -0+ H,0 MnO, +2H* 2

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Q: Write the balanced molecular equation for the neutralization reaction between HIHI and…

A: When an acid and base reacts with each other to form salt and water and involves H+ and OH- ions in…

Q: Carbonates, phosphates, borates, and arsenates—except those of the ammonium ion and the alkali…

A: It is given that Ba3(PO4)2 is insoluble in water  it means that the concentration of (Ba2+)and…

Q: You purchase a bottle of Sprite from a vending machine. The label states that Sprite contains 6.4 ×…

A: Concentration of bicarbonate ion (HCO3-) = pH = 4.51Pressure of CO2 in the headspace = 1.33…

Q: e. HCOOH + MNO4¯→CO, + Mn2* in acidic solution

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Q: HA, a weak acid, also forms the ion HA in solution. The reaction is HA(aq) + A (aq) = HA₂ (aq) The…

A: The reaction of the weak acid HA forming HA2- solution:We have to calculate the concentrations of…

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: 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: Calculate the concentration of fluoride ions in a saturated solution of scandium(III) fluoride at 20…

A: The chemical equation can be given as follows: ScF3↔Sc3++3F- Ksp = 4.2×10-18 The expression for…

Q: What [Ag+] is required to reduce [CO32−] to 8.2 × 10–4 M by precipitation of Ag2CO3?

A: As the initial concentration of [CO32-] is not given,we will take,initial concentration of [CO32-] =…

Q: Describe the reaction Cu(OH)2(s) ->

A: Different type of compounds on thermal decomposition give different products, depending on their…

Q: What is [H30*] in a solution of 0.075 M HNO, and 0.030 M NaNO,? HNO, (aq) + H,0 (1) = H;0* (aq) +…

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Q: Given the equation…

A: Given, Mass of AgCl = 669mg = 0.669g Volume of the solution = 100 mL = 0.100 L Ksp for AgCl = 1.77 ×…

Q: What is the concentration of Zn2+ in parts per million when 0.076 g of the chloride salt is…

A: Well, since it is given chloride salt, and it contains zink so the salt must be ZnCl2.  We know…

Q: Consider again the ammonia reaction. If the equilibrium constant = 3.9 x 105 at 300 K and K = 1.2 x…

A: The relation between the equilibrium constant and standard Gibbs, free energy is: ΔG = -RT × ln K…

Q: Complete this reactionand then balance it: K (s) + H2O (l)

A:

Q: What is the concentration of F— ions when 266.640 mg of MgF2 (62.3018 g/mol) completely dissociates…

A: Given data is as follows: The mass of MgF2 = 266.640 mg = 0.266640 g The volume of water = 2.442 L…

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

A: In this question we have to tell the balanced net ionic equation.

Q: Calculate the concentration (in molarity) of free Cd2+ ions in a solution made by adding 0.35 moles…

A: NOTE: Since the Kf is not given completely. Hence I'm taking it from the literature. Given: Moles of…

Q: 17.69 mL of the I2 solution from above is required to titrate a sample containing As2O3. Calculate…

A: The balanced equation is given as As2O3 + 5H2O + 2I2 -----> 2H3AsO4 + 4HI The number of moles of…

Q: Is Mg(OH)2 a acid, base, or neither?

A: According to the Arrhenius concept of acids and bases :-  Acids donate H+ ions in water and bases…

Q: You are performing an experiment in lab that involves the titration of 25.0 mL of H2SO4 solution.…

A: At equivalence point the moles of added base= moles of acid in flask. Given: The molarity of NaOH =…

Q: #9. In a titration experiment, 15.00 mL of 0.05000 M NaOH solution neutralizes 20.00 mL of H2SO4…

A: 2 NaOH + H2SO4 → 2 H2O + Na2SO4

Q: Consider the following equilibrium:  Ag+(aq)  +  2 NH3 (aq)  ⇌ Ag(NH3)2+  The equilibrium…

A:

Q: Calculate the percent ionization of a 0.394 M solution of nitrous acid.

A: As per guidelines if multiple questions first question is allowed to answer, please post question…

Q: 5. Hydrogen cyanide has the chemical formula HCN. The compound occurs as a colourless gas or a pale…

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Q: The hypochlorite ion is the conjugate base of the weak acid hypochlorous acid. The value of K for…

A: A weak acid is defined as the acid which partially dissociates into its ions in a solution.According…

Q: Use the following balanced chemical equation to answer the below question: 2H3PO4 (aq) + 3Mg(OH)2…

A: It is given that 14 mL sample of H3PO4 requires 3.51 mL of 0.400 M of Mg(OH)2 for the…