U12(H) Q2

U12(H) Q2

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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11 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to calculate the concentration of hydrogen ions [H+] from pH?

Back

[H+] = 10^(-pH)

2.

FLASHCARD QUESTION

Front

If a solution has a pH of 1.77, what is the concentration of hydrogen ions [H+]?

Back

1.7 x 10^-2 M

3.

FLASHCARD QUESTION

Front

What is the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)?

Back

HCl + NaOH → NaCl + H2O

4.

FLASHCARD QUESTION

Front

How do you calculate the molarity of an acid from a titration with a base?

Back

Molarity (HCl) = (Molarity (NaOH) * Volume (NaOH)) / Volume (HCl) in liters.

5.

FLASHCARD QUESTION

Front

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

Back

pH = 7

6.

FLASHCARD QUESTION

Front

How do you find the concentration of hydroxide ions [OH-] from pH?

Back

[OH-] = 10^(-14) / [H+] or [OH-] = 10^(14 - pH)

7.

FLASHCARD QUESTION

Front

If a solution has a pH of 8.50, what is the concentration of hydroxide ions [OH-]?

Back

3.2 x 10^-6 M

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