Chemistry Solutions/Molarity Test Review

How many grams of BaCl₂ would be dissolved in 325 mL of a 3.5 M solution of?

• 40.5 grams

• 95.8 grams

• 120.5 grams

• 150.2 grams

What is the percent by mass when 75 g of K₂SO₄ is dissolved in 375 g of water?

• 16.67%

• 20%

• 25%

• 30%

What is the molarity of a solution that contains 15.5 g Li₃PO₄ in 373 mL of solution?

• 0.25 M

• 0.50 M

• 1.00 M

• 1.50 M

How many grams of SrF₂ are dissolved to make 255.25 mL of a 2.75 M solution?

• 70.0 grams

• 80.0 grams

• 90.0 grams

• 100.0 grams

How many milliliters of a 2.35 M Ba(OH)₂ is needed to make 725 mL of 1.25M solution?

• 385 mL

• 500 mL

• 725 mL

• 3850 mL

If you start with 975 mL of a 4.25 M solution of MgCl₂, and add 220 mL, what would the new molarity of that diluted solution be?

• 3.50 M

• 3.75 M

• 4.00 M

• 4.25 M

Which salt is most soluble in water at 80°C?

• KNO₃

• NaCl

• CaCO₃

• MgSO₄

Tags

NGSS.HS-PS1-5

At 30°C, how much sodium nitrate can dissolve in 200 g of water?

• Approximately 170 g

• Approximately 150 g

• Approximately 200 g

• Approximately 100 g

Tags

NGSS.HS-PS1-5

Which salt shows the least change in solubility from 0°C-100°C?

• NaCl

• KCl

• CaCO3

• AgCl

Tags

NGSS.HS-PS3-4

At 30°C, 20 grams of potassium chlorate (KClO₃) is dissolved in 100g of water. Is this solution saturated, unsaturated or supersaturated?

• Unsaturated

• Saturated

• Supersaturated

• Concentrated

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4