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How many H+ (or H3O+) ions are present in one drop (0.050 mL) of pure water at 25 °C?

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 111P Chapter 14

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 111P

Problem 111P

How many H+ (or H3O+) ions are present in one drop (0.050 mL) of pure water at 25 °C?

Step-by-Step Solution:
Step 1 of 3

Solution:

Given:

The concentration of H+ ions in water at 25°C is :

[H+] = 10-7 mol /L

We have to calculate the number of H+ (or H3O+) ions are present in one drop (0.050 mL) of pure water.

In 0.050 mL you have (10-7) 0.050/1000 = 510-12 mol H+ ions

1 mol H+ ions = 6.0221023 ions

4.510-12 mol H+ ions = (510-12)(6.0221023) = 3.0111012 H+ ions.

Thus  3.0111012 H+ions are present in one drop (0.050 mL) of pure water.

Step 2 of 3

Chapter 14, Problem 111P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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How many H+ (or H3O+) ions are present in one drop (0.050 mL) of pure water at 25 °C?