Chem Flashcards
(16 cards)
What is the final concentration of a solution prepared by diluting 35.0 mL of 12.0 M HCl to a final volume of 1.20 L?
Group of answer choices
0.350 M
What volume of 9.00 M nitric acid is needed to make 6.50 L of 1.25 M solution?
Group of answer choices
903 mL
If you add 4.00 mL of pure water to 6.00 mL of 0.750 M NaCl solution, what is the concentration of sodium chloride in the diluted solution?
0.450 M
How many grams of barium sulfate are produced if 25.34 mL of 0.113 M BaCl2 completely react given the reaction:
BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2NaCl (aq)
0.668
How many mL of 0.218 M sodium sulfate react with exactly 25.34 mL of 0.113 M BaCl2 given the reaction:
BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2NaCl (aq)
13.1
What volume (L) of 2.00 M KCl solution contains 25.0 g of KCl?
0.168
What is the final concentration (M) of a solution prepared by diluting 50.0 mL of a 6.00 M KCl solution to a volume of 0.500 L?
Group of answer choices
0.600
How many mL of 0.112 M Pb(NO3)2 are needed to completely react with 25.0 mL of 0.105 M KI?
Given: Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2KNO3(aq)
Group of answer choices
11.7
Given that the freezing point depression constant for water is 1.86°C kg/mol, calculate the change in freezing point for a 0.907 m sugar solution.
1.69°C
What is the pOH of a solution that has a OH- concentration equal to 1.3 x 10-10 M?
Group of answer choices
9.89
The titration of 25.00 mL a 0.125 M HClO4 solution required 21.37 mL of KOH to reach the endpoint. What is the concentration of the KOH?
Group of answer choices
0.146 M
What is the pH of a solution that has a [OH-] = 0.0033 M?
11.52
Dipole-dipole forces are weaker than dispersion forces.
Group of answer choices
False
Which state of matter has a high density and a definite volume?
Solid
The tendency of a liquid to minimize its surface area is called:
Surface Tension
