Acids
What are two properties of acids?
Taste sour, Electrolytes, and Corrosive w/metals, pH less than 7
What is the Bronsted-Lowry definition of a base?
a proton acceptor
What is the equation for calculating pH?
pH = -log[H+]
What type of a reaction involves the addition of an Arrhenius acid to an Arrhenius base?
Neutralization reaction
What is the name of H2SO3?
Sulfurous Acid
What are two properties of bases?
Taste bitter, feels slippery, electrolytes, pH values above 7
Give a possible pH for a substance if it turns blue in bromthymol blue and stays colorless in phenolphthalein.
7.6-8.0 inclusive
If the products of a neutralization reaction are KC2H3O2 and H2O, name the reactants,
Potassium hydroxide and acetic acid
What is the Arrhenius definition of an Acid?
produces hydronium ions when dissolved in water
What is the Arrhenius definition of a base?
produces hydroxide ions when dissolved in water
List an indicator that would be a bad choice in distinguishing between two substances that have pH values of 5.6 and 12.0
methyl orange, bromcresol green, maybe litmus.
During a titration, 10mL of an unknown monobasic base was added to a flask and completely neutralized with 16.3 mL of a 0.08M HCl solution. What is the concentration, in M, of the unknown base?
0.1304 M
What color will an acidic solution be if bromthymol blue is added?
yellow
What is the base in the reverse reaction:
NH3 + H2O --> NH4+ + OH-
OH-
What happened to the hydronium ion concentration in a pond if its pH changed from 5 to 7 after the addition of lime.
It decreased by a factor of 100.
Mrs. Allen is going to show an image of a buret. Write down an accurate volume reading.
46.82mL (accept between 46.80-46.84 inclusive)
a proton donor
What is another name for basic?
Alkaline
A hot tub was found to have a pH of 9.3. The optimal pH is lower, so the owner added 1000x more hydronium ions. What is the new pH of the hot tub?
6.3
8.9mL of a 0.75M Ca(OH)2 solution completely neutralized 12.0mL of an unknown H2SO4 solution. Determine the concentration of the sulfuric acid solution. Record your answer to the correct number of significant figures.
0.56 M