Molarity

Molarity is the concentration of a...

• Solute

• Solvent

• Solution

• Solid

The higher the concentration of a solution the less solute it has in it.

• True

• False

Molarity is measured in...

• Moles per mL

• Moles per g

• Moles per mm

• Moles per L

The ______ in a solution is being dissolved.

• Solute

• Solvent

What equation is used to find molarity?

• Moles solute/L solution

• Moles solute/mL solvent

• Moles solute/L solvent

• Moles solute/mL solution

How do you convert from grams to moles?

• Divide by Avogadro's number

• Divide by molar mass

• Multiply by Avogadro's number

• Multiply by molar mass

What are the units of molarity?

• Moles

• Mol

• M

• MI

The molar mass of NaOH is...

• 40 grams/mol

• 45 grams/mol

• 50 grams/mol

• 38 grams/mol

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)?

• 0.8 M

• 1.5 M

• 3.0 M

• 6.0 M

Which solution is more diluted?

Solution 1:

1000 mL of water

60g of salt

Solution 2:

500 mL of water

60 g of salt

• Solution 1

• Solution 2

• Not enough information

• Both are equally diluted