concentration

Concentration is

• the amount of solute in the solvent

• the amount of solvent in the solute

• density

• particle size

Tags

NGSS.HS-PS1-5

In order to dilute a solution, you need to

• add more of the solid

• add more water

• find the mass

• find the volume

The EASIEST way to determine which Koolaid solution is the most concentrated is to...

• compare their mass

• compare their color

• evaporate each solution

Tags

NGSS.MS-PS1-2

The amount of solute actually dissolved in a given amount of solvent.

• dilution
• concentration
• saturated solution
• supersaturated mixture

Tags

NGSS.HS-PS1-5

What is the molarity of 4 grams of sodium chloride (NaCl) in 3,800 mL of solution?

• 0.018 M
• 0.018 m
• 1.052 M
• 1.052 m

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 1.074 mol
• 62.7 mol
• 1.07 mol
• 62.7 grams

What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 mL of solution?

• 0.488 M
• 7.66 M
• 7.67 M
• 0.00767 M

How many grams of solute are dissolved in 125.0 mL of 5.00M NaCl?

• 0.625 g NaCl
• 36.52 g NaCl
• 36.5 g NaCl
• 0.625 mol NaCl

Tags

NGSS.HS-PS1-7

Find the concentration of 186.55 g of sugar (C₁₂H₂₂O₁₁) in 250. mL of water.

• 2.18 molL^-1

• 2.17 molL^-1

• 1.18 molL^-1

• .00218 molL^-1

Tags

NGSS.HS-PS1-5

Solvent is best defined as-

• a mixture in which the substances are spread out evenly between one another and cannot be told apart
• the ability of a substance to dissolve in another substance
• a substance that dissolves in another substance
• a substance into which another substance dissolves