Solution Concentration

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt

Solution 2:

500 mL of water

90 g of salt

• Solution 1

• Solution 2

• They have the same concentration

• I have no idea

In order to dilute a solution, you need to

• add more of the solid

• add more water

• find the mass

• find the volume

Which solution is more diluted?

Solution 1:

1000 mL of water

60g of salt

Solution 2:

500 mL of water

60 g of salt

• Not enough information to tell

• Solution 1

• Solution 2

• They are equally diluted

Calculate the percent concentration of a solution made with 100 g of sugar and 400 g of water

• 30

• 25

• 20

• 15

What is the molarity of 4 g of NaCl (GFM=58.5 g/mol) in 3.8 L of solution?

• 0.018 M

• 0.0011 M

• 1.052 M

• 0.068 M

Both solutions have equal volumes of 30 mL. Which solution is more diluted?

• Solution X

• Solution Y

Tags

NGSS.MS-PS1-2

Both of these solutions have a volume of 30 mL. Which solution is more concentrated?

• orange solution

• green solution

• they are equally concentrated

Tags

NGSS.MS-PS1-2

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?

• 0.625 g NaCl
• 625 g NaCl
• 36.5 g NaCl
• 0.04 mol NaCl

Tags

NGSS.HS-PS1-7

What is the molarity of a solution made by dissolving 2.0 moles of NaOH in 400 mL of water?

• 5.0 M

• 4.0 M

• 3.0 M

• 2.5 M

Paula's Donuts are the best donuts East of the Mississippi

• true

• false