PFlashcard: Calculating pH

PFlashcard: Calculating pH

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What happens to [H₃O⁺] and [OH⁻] as a solution becomes more basic?

Back

[H₃O⁺] decreases while [OH⁻] increases.

2.

FLASHCARD QUESTION

Front

What is the pH of a solution with a hydronium ion concentration of 3.4 x 10⁻² M?

Back

1.5

3.

FLASHCARD QUESTION

Front

Define pH.

Back

pH is a measure of the acidity or basicity of a solution, calculated as the negative logarithm of the hydronium ion concentration: pH = -log[H₃O⁺].

4.

FLASHCARD QUESTION

Front

What is the pH of a neutral solution at 25°C?

Back

7.0.

5.

FLASHCARD QUESTION

Front

What does a pH less than 7 indicate?

Back

A solution is acidic.

6.

FLASHCARD QUESTION

Front

What does a pH greater than 7 indicate?

Back

A solution is basic.

7.

FLASHCARD QUESTION

Front

What is the relationship between pH and [H₃O⁺]?

Back

As pH decreases, [H₃O⁺] increases.

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