Solutions Test

A substance that produces hydrogen ions (H⁺) in a solution is a(n) __________________.

• Acid

• Base

• Salt

• Solution

A substance that produces hydroxide ions (OH^-) in a solution is a(n) ____________________

• base

• acid

• salt

• solution

What does an indicator, such as litmus paper, help determine?

• If a solution is an acid

• If a solution is a base

• If a solution is an acid or a base

• If a solution has a set pH

When mixing a saltwater solution the water is the _____________ and the salt is the _____________

• water = solvent, salt = solute

• water = solute, salt = solvent

• water = solution, salt = solvent

• water = solution, salt = solute

What are two ways to speed up the rate of dissolving sugar in water?

• Use cold water, and not stir the solution

• Use cold water, and stir the solution

• Use hot water, and stir the solution

• Use hot water, and not stir the solution

Tags

NGSS.HS-PS1-5

Lemons and pickles taste sour, this property indicates that they are _______________

• Acid

• Base

• Solution

• Disgusting

What is a solvent?

• The liquid into which a substance dissolves

• The solid which dissolves in the liquid

• Harmful chemical

• An acid/base mixture

What is a solute?

• The liquid into which a substance dissolves

• The solid which dissolves in the liquid

• Harmful chemical

• An acid/base mixture

What is the molarity (M) of a solution containing 2.15 moles of solute in .959L of solution?

• 22.0 M

• 2.2 M

• 3.4 M

• 0.0022 M

What is the molarity of 0.068 moles of NaCl in 3.800 L of solution?

• 0.018 M

• 0.0011 M

• 1.052 M

• 0.062 M