Vocabulary
Molarity
Dilutions
Solubility Curves
Acids and Bases
100
Salt is dissolved in water. The salt is the ______
solute
100
The formula for molarity is ________
M = mol / L
100
The dilution formula is
M1V1=M2V2
100
A solution with less solute than it could possible hold is called ________
unsaturated
100
A substance the produces hydroxide, tastes bitter, and turns litmus paper blue is a __________
base
200
Salt is dissolved in water. The water is the ________
solvent
200
A solution is prepared by dissolving 4 moles of NaCl in enough water to make 8 L of solution. What is the molarity of the solution?
0.5 M
200
30 mL of a 2 M stock solution is diluted to 60 mL. The new concentration is _______
1 M
200
A solution with more solute than it should be able to hold at a certain temperature is called ________
supersaturated
200
A substance has a pH of 9. The substance is a ______
base
300
The process of making a solution less concentrated is called __________
dilution
300
How many moles of HCl does 3 L of a solution with a concentration of 4 M contain?
12 moles
300
How many mL of a 6 M stock solution is required to make 500 mL of a 3 M dilution
250 mL
300
What is the solubility of KClO3 at 30o C?
10 g/100 g
300
A substance has a pH of 9. The pOH is ____
5
400
A substance that produces H+ ions when dissolved in water, tastes sour, and turns litmus paper red is an _______
acid
400
What is the molarity of a solution that contains 2 moles of NaOH in 500 mL of solution?
4 M
400
A solution is prepared by combining 20 mL of 3 M stock solution with 30 mL of water. What is the concentration of the new solution?
1.2 M
400
A solution of K2Cr2O7 has a concentration of 40 g/100 g at 50o C. How would you describe the saturation of the solution?
supersaturated
400
A substance has a [H+] of 10-5 . The pH is ___
5
500
The piece of glassware required to prepare a solution is called a __________________
volumetric flask
500
What is the molarity of a solution that contains 3.00 g of HCl (molar mass 36 g/mol) dissolved in 2.00 L of water?
0.0417 M
500
50 mL of a stock solution is diluted to 100 mL, and the new concentration is 2 M. What was the concentration of the original solution?
4 M
500
At what temperature is the solubility of KNO3 30 g/ 100 g
20oC
500
10 mL of a solution of HBr is titrated with 8.4 mL of 0.75 M NaOH to the endpoint. The concentration of the HBr is ____
0.63 M