Answered: Here are some HCl reactions that occur…

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter3: Composition Of Substances And Solutions

Section: Chapter Questions

Problem 72E: What mass of HCl is contained in 45.0 mL of an aqueous HCl solution that has a density of 1.19 g...

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Question

Here are some HCl reactions that occur at different temperatures:

1.a. For each reaction, determine if it is an oxidation-redox reaction. Prove your answer from
Degrees of oxidation to all atoms in the reaction.

1. b. Choose one of the redox oxidation reactions you found, determine who is the oxidizer, and who is the recycler
Reaction. Explain your answer.

1. c. From the following jars, choose the one whose entire contents should be added to the HCl solution
At a concentration of 0.08M in a volume of 200.0 ml, in order for Reaction III to occur to completion.
Explain your answer with the help of appropriate calculations.

2. Calculate the pH of solution C. Show calculations.

3. What will be the pH at the end of reaction III? Explain.

גרם = grams

מ"ל = ml

DD 1.86
Mg(OH)2
n2 0.93
Mg(OH)2
5"n 400.0
Mg(OH)2
0.08M
0 100 ללו
Mg(OH):
0.08M
D
A

L 4HCI+ Ozg 2 2H2Oo + 2Clzg)
II. 2HCI, 2 Hz
III. 2HCI(ag) + Mg(OH)2(aq}
I.
+Che
H2O + MgCl2(=)

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