Water and Solutions

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

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

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

Tags

NGSS.MS-PS3-4

What property of water allows it to climb up tubes, towels, roots, etc.?

• cohesion

• adhesion

• surface tension

• vapor pressure