If a Solution Has a PH of 7, This Means

question 118

Multiple Choice

If a solution has a pH of 7, this means that

• A) there are no H+ ions in the water.
• B) this is a solution of pure water.
• C) the concentration of H+ ions in the water equals the concentration of OH- ions in the water.
• D) this is a solution of pure water, and the concentration of H+ ions in the water is 10-7 M.
• E) this is a solution of pure water, and the concentration of H+ ions equals the concentration of OH- ions in the water.

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Definitions:

Tear

A drop of clear salty liquid secreted by glands in your eyes, often resulting from emotion or irritation.

Perfectly Horizontal

A line on a graph that shows a constant value, indicating no change in the variable it represents across different situations.

Perfectly Vertical

A line on a graph that shows an infinite response in the variable measured on the y-axis for any change in the variable on the x-axis, indicating no change regardless of input.

Percentage Change

A mathematical calculation that indicates the degree of change over time as a proportion of the starting value, often expressed as a percentage.