Definitions & Electrolytes
When Mg(SO₃) dissolves in water, these are the major ionic species present in solution.
What are Mg²⁺ and SO₃2⁻?
This equation defines molarity.
What is M = mol/L?
A chemist dilutes 23.5 mL of a 4.68 M solution to 1.54 M. What is the final volume?
What is 71.4 mL?
A precipitate forms when two aqueous solutions react to produce this type of product.
What is an insoluble solid?
This is the net ionic equation for every strong acid–strong base neutralization
What is H⁺(aq) + OH⁻(aq) → H₂O(l)?
This term describes a substance that produces ions when dissolved in water and conducts electricity.
What is an electrolyte?
How many grams of K₂SO₄ are required to prepare 525 mL of a 0.755 M solution?
What is 69.0 g?
The first step in most solution stoichiometry problems is converting volume into this quantity.
What are moles?
Write the spectator ions for:
AgNO3(aq)+NaCl(aq)→AgCl(s)+NaNO3(aq)
What are Na⁺ and NO3⁻?
What is the strongest electrolyte among H₂SO₄, CO₂, NH₄OH, CaBr₂, and Ar?
What is CaBr₂?
A strong electrolyte differs from a weak electrolyte because it does this in water.
What is dissociate (or ionize) completely?
A solution contains 0.450 mol KCl dissolved to a final volume of 2.00 L. What is its molarity?
What is 0.225 M?
What volume of 0.250 M AgNO₃ is required to completely react with 35.0 mL of 0.180 M NaCl?
AgNO₃(aq) + NaCl(aq) → AgCl(s) + NaNO₃(aq)
What is 25.2 mL?
Write the total ionic equation for:
ZnSO₄(aq) + 2NaOH(aq) → Zn(OH)₂(s) + Na₂SO₄(aq)
Zn²⁺ + SO₄²⁻ + 2Na⁺ + 2OH⁻ → Zn(OH)₂(s) + 2Na⁺ + SO₄²⁻?
This reaction type occurs when an acid reacts with a base to form water and a salt.
What is a neutralization reaction?
How many total moles of ions are produced when 2.0 mol of CaCl2 dissolves completely?
What are 6.0 mol ions?
A 6.00 M stock solution is diluted to a lower concentration. This quantity remains constant during dilution.
What are moles of solute?
What is the theoretical yield of Ca₃(PO₄)₂ from 612 mL of 1.95 M CaCl₂ with excess Na₃PO₄?
3CaCl2(aq)+2Na3PO4(aq)→Ca3(PO4)2(s)+6NaCl(aq)
What is 123 g of Ca₃(PO₄)₂
This type of ion appears unchanged on both sides of an ionic equation
What is a spectator ion?
What is the net ionic equation for NaOH(aq) + HCl(aq)?
What is H⁺(aq) + OH⁻(aq) → H₂O(l)?
Rank the following from greatest to least conductivity: KCl, NH₃, CH₃COOH, Ne, SiO₂
What is KCl > CH₃COOH > NH₃ > SiO₂ ≈ Ne?
What equation relates concentration and volume before and after dilution?
What is M₁V₁ = M₂V₂?
175 mL of 0.885 M Sr(OH)₂ neutralizes 265 mL of HNO₃.
Sr(OH)2(aq)+2HNO3(aq)→Sr(NO3)2(aq)+2H2O(l)
What is the molarity of the HNO₃ solution?
What is 1.17 M HNO₃?
Write the net ionic equation for the precipitation of Zn(OH)₂.
What is
Zn²⁺(aq) + 2OH⁻(aq) → Zn(OH)₂(s)?
165 mL of 1.42 M Ba(OH)₂ neutralizes 295 mL of HCl. What is the molarity of the HCl solution?
Balanced reaction:
Ba(OH)2+2HCl→BaCl2+2H2O
What is 1.59 M HCl?