Acids & Bases
The pH of water
7
pH + pOH =
14
In a cup with 50mL of water and 15 grams of baking soda, which is the solute?
baking soda
Gives off hydrogen ions in a solution
Arrhenius acid
lemons are considered
acidic
A substance with a pH of 2 is considered a(n)
acid
The pH of a HCl solution with H+ ion concentration 0.0621 M
1.2
This usually increases the solubility of a substance
temperature
NH3 forms a ___________ bond with an H+ ion.
covalent
Drain cleaner is a ______________ substance
basic
This is what your hand soap is considered.
base
A solution with a pOH of 9 has a pH of
5
unsaturated
If HBr donates an H+ ion becomes a
Bronsted-Lowry acid
A solution with a higher concentration of OH ions is considered
basic/alkaline/Arrhenius base
in a solution this conducts electricity and reacts with zinc to produce hydrogen gas.
acid
An acid with a pH of 3 is 100 times stronger than a pH of _______.
5
Beaker A has 15 g of solute dissolved at 47 degrees celsius
Beaker B has 24 g of solute dissolved at 47 degrees celsius
If both solutions have the the same volume, which has a higher solubility?
Beaker B
these substances accept H+
Bronsted-Lowry bases
These solutions help resist drastic changes in pH
buffers
a substance that is 1000 less acidic than a substance with a pH of 6 has a pH of
9
The hydrogen ion concentration of a solution with a pH of 2.16.
0.0069 M
If a substance that is considered saturated at 40 degrees celsius with 40 grams of solute in 100 grams of water will become _________________ if 5 more grams of solute are added.
supersaturated
A substance that donates a pair of electrons to form a covalent bond.
Lewis base
An aqueous NaOH solution is _____________.
basic