Chemical Formulas
The chemical formula for ammonia.
What is NH3?
Reacts with zinc to produce hydrogen gas.
*Hint: either an acid or a base
What is an acid?
The sum of pH and pOH.
What s 14?
This term identifies when a titration is complete and the indicator changes color.
What is the endpoint?
Neutralization is classified as this type of reaction.
What is a double replacement reaction?
The chemical formula for calcium hydroxide.
What is Ca(OH)2?
Choose the compound that is an Arrhenius acid.
a. H2SO4
b. KCl
c. NaOH
d. NH3
What is "a" H2SO4?
Calculate [H+] if the pH is 4.5.
What is 3.2 x 10-5 ?
This is what a laboratory titration used to calculate.
What is the concentration of a solution?
Classify this type of reaction:
HCl(aq) + LiOH(aq) → HOH(ℓ) + LiCl(aq)
What is a neutralization reaction?
The chemical formula for hydrobromic acid.
What is HBr?
The difference between strong and weak acids and bases.
What is strong acids and bases ionize completely in aqueous solution whereas weak acids and bases only partially ionize?
As the H3O+ ion concentration of a solution increases, this happens to the pH.
What is decreases?
During a titration, this term used to describe when equal amounts of acid and base have been reached.
What is the equivalence point?
Name the products in a neutralization reaction.
What is a salt and water?
Name this acid or base: Mg(OH)2
What is magnesium hydroxide?
A solution that resists changes in pH upon the addition of a small amount of strong acid or strong base.
What is a buffer?
Find the pH and classify a solution with a hydroxide concentration of 9.8 x 10-11 as acidic, basic, or neutral.
What is 4.0, an acid?
A student titrates a 20.00 mL sample of a solution of HBr with unknown molarity. The titration requires 20.05 mL of a 0.1819 M solution of NaOH. What is the molarity of the HBr solution?
1.864 x 10-2 M HBr
Complete the following neutralization reaction:
NaOH + H3PO4 →
NaOH + H3PO4 → Na3PO4 + H2O
Name this acid or base: H2SO4
What is sulfuric acid?
Choose the solution that would contain the highest concentration of OH- ions if 1 mol of each was dissolved in water.
a. H2SO4 b. NH4Cl
c. KNO3 d. NaOH
What is NaOH?
Write the dissociation equation for the reaction of perchloric acid in water. Label the acid, base, conjugate acid, and conjugate base.
What is HClO4 (A) + H2O (B) → H3O+ (CA) + ClO4- (CB)?
A 50.00 mL sample of a potassium hydroxide solution is titrated with a 0.8186 M HCL solution. The titration requires 27.87 mL of the HCl solution to reach the equivalence point. What is the concentration of the KOH solution?
0.4563 M or 4.563 x 10-1 M KOH
Write a balanced chemical reaction for the neutralization of phosphoric acid and beryllium hydroxide.
2H3PO4 + 3Be(OH)2 → Be3(PO4)2 + 6H2O