Solutions

Describe a solute.

• part of solution present in largest amount
• gets dissolved
• water
• surrounds and breaks apart

__________ are made up of solutes and solvents.

• Solutions
• Suspensions
• Heterogeneous Mixtures
• Pure Substances

What is able to dissolve other substances?

• Solute

• Salt

• Suspension

• Solvent

What does it mean to dilute a solution?

• lower the concentration of solute per solvent

• increase the concentration of solute per solvent

Tags

NGSS.HS-PS1-5

What happens when NaCl(s) is dissolved in water?

• Cl- ions are attracted to the oxygen atoms of the water.

• Cl- ions are attracted to the hydrogen atoms of the water.

• Na+ ions are attracted to the hydrogen atoms of the water.

• No attraction involved, the crystal falls apart.

Tags

NGSS.HS-PS1-7

A mixture consists of sand and salt water. Which can be used to separate the sand, salt and water from each other?

• Filter out the sand, then evaporate the water.

• Filter out the salt, then evaporate the water.

• Evaporate the water, then filter out the salt.

• Evaporate the water, then filter out the sand.

Tags

NGSS.MS-PS1-2

A mixture of alcohol and water can be separated by which process because they have different boiling points?

• filtration

• chromatography

• evaporation

• distillation

Which compounds solubility decreases most rapidly as the temperature changes from 10C to 70C?

• NH₄Cl

• NH₃

• HCl

• KCl

How many grams of KCl must be dissolved in 200g of water to make a saturated solution at 60C?

• 30g

• 45g

• 56g

• 90g

According to Table F, which ions combine with chloride ions to form an insoluble compound?

• Fe

• Ca

• Ag

• Li