Chemistry Quiz on Solutions

What is the term for the substance that is being dissolved in a solution?

• Solvent

• Solute

• Solution

• Mixture

Which of the following is an example of a solute?

• Water

• Sugar

• Oxygen

• Alcohol

How is the concentration of a solution expressed in terms of mass and volume?

• Concentration x Volume = Mass of Solute

• g/L

• mg/ml

• Mg/ml

What is the formula to convert percent to decimal in concentration problems?

• Divide by 100

• Multiply by 100

• Subtract 100

• Add 100

How many micrograms (ug) are in 1 milligram (mg)?

• 10 ug

• 100 ug

• 1,000 ug

• 10,000 ug

What mass of sugar is needed to make 25 ml of a 25 mg/ml solution?

• 625 mg

• 500 mg

• 750 mg

• 100 mg

What mass of salt is needed to make a 150 ml of a 100 ug/ml solution?

• 10,000 ug

• 15,000 ug

• 20,000 ug

• 25,000 ug

What is the molarity (M) of a solution?

• Moles of a solute in a liter of solution

• Always convert ml to L

• Mass of solute per volume

• Percent of solute in solution

How do you make a 100 ml of a 10% salt solution?

How much sugar is needed to make 1 L of a 10% sugar solution?

• A) 10 g

• B) 50 g

• C) 100 g

• D) 150 g