Problem 55b
Write balanced complete ionic and net ionic equations for each reaction. CaS(aq) + CuCl2(aq) → CuS(s) + CaCl2(aq)
Problem 55c,d
Write balanced complete ionic and net ionic equations for each reaction.
c. NaOH(aq) + HC2H3O2(aq) → H2O(l ) + NaC2H3O2(aq)
d. Na3PO4(aq) + NiCl2(aq) → Ni3(PO4)2(s) + NaCl(aq)
Problem 55d
Write balanced complete ionic and net ionic equations for each reaction. d. Na3PO4(aq) + NiCl2(aq) → Ni3(PO4)2(s) + NaCl(aq)
Problem 56a
Write balanced complete ionic and net ionic equations for each reaction. a. K2SO4(aq) + CaI2(aq) → CaSO4(s) + KI(aq)
Problem 56a,b,c
Write balanced complete ionic and net ionic equations for each reaction.
a. K2SO4(aq) + CaI2(aq) → CaSO4(s) + KI(aq)
b. NH4Cl(aq) + NaOH(aq) → H2O(l) + NH3(g) + NaCl(aq)
c. AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)
Problem 56d
Write balanced complete ionic and net ionic equations for each reaction. d. HC2H3O2(aq) + K2CO3(aq) → H2O(l ) + CO2(g) + KC2H3O2(aq)
Problem 57
Mercury(I) ions (Hg22+) can be removed from solution by precipitation with Cl- Suppose that a solution contains aqueous Hg2(NO3)2. Write complete ionic and net ionic equations for the reaction of aqueous Hg2(NO3)2 with aqueous sodium chloride to form solid Hg2Cl2 and aqueous sodium nitrate.
Problem 58
Lead(II) ions can be removed from solution by precipitation with sulfate ions. Suppose that a solution contains lead(II) nitrate. Write complete ionic and net ionic equations for the reaction of aqueous lead(II) nitrate with aqueous potassium sulfate to form solid lead(II) sulfate and aqueous potassium nitrate.
Problem 59
Write balanced molecular and net ionic equations for the reaction between hydrochloric acid and rubidium hydroxide.
Problem 62b
Complete and balance each acid–base equation. b. HC2H3O2(aq) + Ca(OH)2(aq) →
Problem 64b,c
Write balanced complete ionic and net ionic equations for each acid–base reaction.
b. HCHO2(aq) + NaOH(aq) →
c. HC2H3O2(aq) + LiOH(aq) →
Problem 65
A 15.00-mL sample of an unknown HClO4 solution requires titration with 17.03 mL of 0.1000 M NaOH to reach the equivalence point. What is the concentration of the unknown HClO4 solution? The neutralization reaction is HClO4(aq) + NaOH(aq) → H2O(l ) + NaClO4(aq)
Problem 66
A 25.00-mL sample of an unknown H3PO4 solution is titrated with a 0.150 M NaOH solution. The equivalence point is reached when 22.97 mL of NaOH solution is added. What is the concentration of the unknown H3PO4 solution? The neutralization reaction is H3PO4(aq) + 3 NaOH(aq) → 3 H2O(l) + Na3PO4(aq)
Problem 67c
Complete and balance each gas-evolution equation. c. HBr(aq) + Na2S(aq) →
Problem 68a
Complete and balance each gas-evolution equation. a. HNO3(aq) + Na2SO3(aq) →
Problem 70
Assign oxidation states to each atom in each element, ion, or compound. Cl2, Fe3+, CuCl2, CH4, Cr2O72–, HSO4–
Problem 71b
What is the oxidation state of Cr in each compound? b. CrO3
Problem 71c
What is the oxidation state of Cr in each compound? c. Cr2O3
Problem 72
What is the oxidation state of Cl in each ion? a. ClO- b. ClO2- c. ClO3- d. ClO4-
Problem 73a
Determine whether each reaction is a redox reaction. For each redox reaction, identify the oxidizing agent and the reducing agent. a. 4 Li(s) + O2(g) → 2 Li2O(s) b. Mg(s) + Fe2+(aq) → Mg2+(aq) + Fe(s)
Problem 73c
Determine whether each reaction is a redox reaction. For each redox reaction, identify the oxidizing agent and the reducing agent. c. Pb(NO3)2(aq) + Na2SO4(aq) → PbSO4(s) + 2 NaNO3(aq) d. HBr(aq) + KOH(aq) → H2O(l) + KBr(aq)
Problem 74
Determine whether each reaction is a redox reaction. For each redox reaction, identify the oxidizing agent and the reducing agent. a. Al(s) + 3 Ag+(aq) → Al3+(aq) + 3 Ag(s) b. SO3(g) + H2O(l) → H2SO4(aq) c. Ba(s) + Cl2(g) → BaCl2(s) d. Mg(s) + Br2(l) → MgBr2(s)
- Predict the products and write a balanced molecular equation for each reaction. If no reaction occurs, write 'NO REACTION.' b. KHSO3(aq) + HNO3(aq) c. Aqueous ammonium chloride and aqueous lead(II) nitrate.
Problem 87
Problem 87a
Predict the products and write a balanced molecular equation for each reaction. If no reaction occurs, write 'NO REACTION.' a. HCl(aq) + Hg2(NO3)2(aq) →
Problem 87d
Predict the products and write a balanced molecular equation for each reaction. If no reaction occurs, write 'NO REACTION.' d. aqueous ammonium chloride and aqueous calcium hydroxide
Problem 88c
Predict the products and write a balanced molecular equation for each reaction. If no reaction occurs, write 'NO REACTION.' c. liquid pentanol (C5H12O) and gaseous oxygen
Problem 89
Hard water often contains dissolved Ca2+ and Mg2+ ions. One way to soften water is to add phosphates. The phosphate ion forms insoluble precipitates with calcium and magnesium ions, removing them from solution. A solution is 0.050 M in calcium chloride and 0.085 M in magnesium nitrate. What mass of sodium phosphate would you add to 1.5 L of this solution to completely eliminate the hard water ions? Assume complete reaction.
Problem 90
An acid solution is 0.100 M in HCl and 0.200 M in H2SO4. What volume of a 0.150 M KOH solution would completely neutralize all the acid in 500.0 mL of this solution?
Problem 91
Find the mass of barium metal (in grams) that must react with O2 to produce enough barium oxide to prepare 1.0 L of a 0.10 M solution of OH-.
Problem 92
A solution contains Cr3+ ions and Mg2+ ions. The addition of 1.00 L of 1.51 M NaF solution causes the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.6 g. Find the mass of Cr3+ in the original solution.
Ch.5 - Introduction to Solutions and Aqueous Solutions
