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WorksheetsWater and Solutions Review
Total questions: 20
Worksheet time: 21mins
What type of bond holds a single water molecule together?
covalent
ionic
hydrogen
weak
What is the inward force that reduces the surface area of a water droplet?
hydrogen bonds
centripetal force
surface tension
capillary action
What is the unit for molarity?
Moles
grams/Liter
Moles/mL
Moles/L
What causes water to move up the roots of a plant by "sticking" to the walls?
cohesion
capillary action
surface tension
gravity
What is the molarity of 50mols of sodium chloride in 2Liters of water?
25M
.25M
3M
50M
A solution contains chunks of solute at the bottom of the beaker. How would you describe this solution?
saturated
unsaturated
45g of potassium bromide are dissolved in 1.5 L of water. What is the molarity?
30M
0.57M
1M
0.25M
How many grams of Lithium sulfide are needed to make 100mL of 0.5M solution?
2.30g
1.95g
9.19g
.001g
How many ions will strontium chloride form in solution?
1
2
3
4
How many ions will C2H4 form in solution?
1
2
6
8
What is the percent concentration of 20grams of acid dissolved in 150grams of water?
20.0%
13.3%
1.3%
2%
What is force that causes water molecules to "stick" to each other?
molarity
adhesion
cohesion
capillary action
How many grams of CaCl2 can dissolve 25 degrees Celsius?
70g
10g
90g
7g
Colligative properties depend on the _____ of ions in solution.
type
identity
mass
number
Salt lowers the freezing point of water by interrupting these bonds in water.
hydrogen bonds
covalent bonds
ionic bonds
capillary bonds
Which compound will be the best at lowering the freezing point of water?
NaCl
C6H12O6
CaCl2
CuBr3
What kind of compounds do not ionize in water?
ionic compounds
molecules
organic acids
polyatomic ion compounds
What property of water allows it to climb up tubes, towels, roots, etc.?
cohesion
adhesion
surface tension
vapor pressure
What volume of water is needed to make a 1M solution of HCl with 50g of HCl?
50L
5L
1.82L
1.37L
As the temperature of a solution increases, the solubility typically ______.
increases
decreases
stays the same
