Concentration
What is the molarity of the solution?
0.53 moles of solute dissolved in 0.79L of solution
0.67M
Identify the acid in the following equation:
NH3 + H2O --> NH4+ + OH-
H2O
pH range of acids
0-7
Temperature, Agitation, and Surface Area
What is the molarity of the solution?
0.86 moles of solute dissolved in 0.34L of solution
2.52M
Identify the base:
F- + H2PO4 --> HPO4-2 + HF
F-
Acidic compounds give foods a _____ taste
sour
In the Kool Aid lab, the solute was the ________.
What is the molarity of the solution?
1.0 moles of solute dissolved in 0.20L of solution
5M
Identify the acid, base, conjugate acid and conjugate base in the following equation:
HCO3-1 + H2O --> CO3-2 + H3O+1
acid, base, conjugate base, conjugate acid
The ______ receives a proton.
Base
If we wanted to change the concentration of our solution from 3 M to 10 M, would we change the amount of solute or solvent?
Solute
How many grams of NaCl are there in a 0.78L solution that has a molarity of 0.59?
26 grams
Identify the acid, base, conjugate acid and conjugate base in the following equation:
NH3 + HF --> NH4+ + F-
base, acid, conjugate acid, conjugate base
If there is an excess of H+ ions, it is a(n) __________.
Acid
Why does surface area affect the rate of solubility?
The increased surface area allows for more contact between the solute and the solvent.
What volume of solution do you need to have a 1.8M solution that contains 0.88 moles of solute?
0.48L
What is the conjugate base of H2PO4?
HPO4-
What is the purpose of a buffer?
A buffer resists change in pH
Give an example of how you might increase the rate of solubility in a real life example
Various answers