Chapter 4: Q4.21P (page 178)

Question: How many moles ofions are present in the following aqueous solutions?
(a) 1.4 mL of 0.75 M hydrobromic acid
(b) 2.47 mL of 1.98 M hydriodic acid
(c) 395 mL of 0.270 M nitric acid

Short Answer

Expert verified

Answer

The moles of H⁺ ions are present in the following aqueous solutions are:

(a) $1.05 x 10^{- 3} M o l H^{+}$

(b) $4.89 x 10^{- 3} M o l H^{+}$

Step by step solution

Calculate moles of H+ ions released when hydrobromic acid dissolve in water

The dissociation reaction of hydrobromic acid is:

$H B_{r} (s) \to H^{+} (aq) + B_{r} - (aq)$

The moles of $H^{+}$ is calculated as:

$m o l e s o f H^{+} = (1.4 ml) (\frac{1 lit}{1000 ml}) (\frac{0.75 {molHB}_{r}}{Lit}) (\frac{1 {molH}^{+}}{1 {molHB}_{r}}) = 0.05 \times 10^{- 3} m o l H^{+}$

Calculate moles of ions released when hydriodic acid dissolve in water

The dissociation reaction of hydriodic acid is:

$H I (s) \to H^{+} (aq) + I^{-} (aq)$

The moles of $H^{+}$ is calculated as:

Calculate moles of ions released when nitric acid dissolve in water

The dissociation reaction of nitric acid is:

$H N O_{3} (s) \to H^{+} (a q) + N O_{3} (aq)$

The moles of $H^{+}$ is calculated as:

$m o l e s o f H^{+} = (395 m i) (\frac{1 l i t}{1000 m l}) (\frac{0.270 m o l H N O_{3}}{L i t}) (\frac{1 m o l H^{+}}{1 m o l H N O_{3}}) = 0.107 m o l H^{+}$

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Recommended explanations on Chemistry Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Question: How many moles ofions are present in the following aqueous solutions?
(a) 1.4 mL of 0.75 M hydrobromic acid
(b) 2.47 mL of 1.98 M hydriodic acid
(c) 395 mL of 0.270 M nitric acid

Short Answer

Step by step solution

Calculate moles of H+ ions released when hydrobromic acid dissolve in water

Calculate moles of ions released when hydriodic acid dissolve in water

Calculate moles of ions released when nitric acid dissolve in water

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Nuclear Chemistry

The Earths Atmosphere

Ionic and Molecular Compounds

Kinetics

Organic Chemistry

Chemical Analysis

Study anywhere. Anytime. Across all devices.

Question: How many moles ofions are present in the following aqueous solutions?(a) 1.4 mL of 0.75 M hydrobromic acid(b) 2.47 mL of 1.98 M hydriodic acid(c) 395 mL of 0.270 M nitric acid

Short Answer

Step by step solution

Calculate moles of H+ ions released when hydrobromic acid dissolve in water

Calculate moles of ions released when hydriodic acid dissolve in water

Calculate moles of ions released when nitric acid dissolve in water

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Nuclear Chemistry

The Earths Atmosphere

Ionic and Molecular Compounds

Kinetics

Organic Chemistry

Chemical Analysis

Study anywhere. Anytime. Across all devices.

Question: How many moles ofions are present in the following aqueous solutions?
(a) 1.4 mL of 0.75 M hydrobromic acid
(b) 2.47 mL of 1.98 M hydriodic acid
(c) 395 mL of 0.270 M nitric acid