5.2 Quizziz

How does the pH of a solution change as the concentration of H⁺ or H₃O⁺ increases?

• The pH decreases

• The pH remains the same

• The pH increases

• The pH fluctuates

What scale is used to quantify acidity?

• Richter scale

• pH scale

• Celsius scale

• Kelvin scale

What is the pH value of a highly basic solution?

• Close to 0

• Close to 7

• Close to 14

• Close to 10

What is the definition of molarity?

• The number of moles of solute divided by the volume of the solution in liters

• The number of moles of solute multiplied by the volume of the solution in liters

• The number of moles of solute divided by the mass of the solution in grams

• The number of moles of solute multiplied by the mass of the solution in grams

What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-7 M?

• 7

• 14

• 1

• 0

If a substance has a pH below 7, it is considered:

• Neutral

• Basic

• Acidic

• Alkaline

If a substance has a pH above 7, it is considered:

• Neutral

• Basic

• Acidic

• Neutral

Which of the following is NOT true about the pH scale?

• It ranges from ~0 to ~14

• A pH of 7 is neutral

• A pH below 7 is basic

• A pH above 7 is basic

What is the pH of a solution with a H+ concentration of 1 M?

• 0

• 1

• 10

• -1

What charge does sulfur have?

• -2

• +2

• -1

• +1