Molarity

How many grams of AgNO₃ are needed to prepare 0.125M solution in 250 mL of water? (the molar mass is 169.87g=1 mole)

• .03g
• 0.5g
• 5.3g
• 84.9g

What is the molarity of 3 mole of hydrochloric acid in 3 L of water.

• 3 M

• 1 M

• 6 M

• 9 M

What is the molarity of a solution made from 325.4g of AlCl₃ (MM=133.5 g) with enough water to make 500.0 mL?

• 4.88 g

• 4.88 M

• 2.440 M

• 2.44 M

What is the molarity of 4 grams of NaCl (MM=58.5) in 3.8 L of solution?

• 0.018 M

• 0.018 mol

• 1.052 M

• 1.052 mol

The ___ is the thing being dissolved

• solute
• solvent

Which sweet tea would you expect to taste the sweetest?

• 1M

• 3M

• 3.5 M

• 2.5M

Tags

NGSS.HS-PS1-5

True or False? The higher the concentration of a solution the less solutes it has in it.

• True
• False

How many liters would you need to make a 1 M solution if you have 240 g of NaOH (MM=40 g)?

• 2 L

• 3 L

• 4 L

• 6 L

What is the formula for molarity?

• moles/grams
• moles/kilograms
• moles/milliliters
• moles/liters

Tags

NGSS.HS-PS1-5

When making Kool-Aid water Kool-Aid is the __________ and the water to make it is the ________________

• solute, solute

• solute, solvent

• solvent, solvent

• sugar stuff, water stuff