How many grams of NH4Br must be dissolved in 1.00L of water to produce a solution with pH = 5.16? The Kb of NH3 is equal to 1.8 x 10-5. 1 2 NEXT > Let x represent the original concentration of NH4* in the water. Based on the given values, set up the ICE table in order to determine the unknown. NH,*(aq) H20(1) H3O*(aq) NH3(aq) + Initial (M) |Change (M) Equilibriu m (M) RESET 1.00 5.16 1.8 x 10-5 2x 0.5x - -2x -0.5x 6.9 x 10-6 -6.9 x 10-6 0.709 -0.709 x + 6.9 x 10"6 -X x - 6.9 × 10-6 x + 0.709 x - 0.709
How many grams of NH4Br must be dissolved in 1.00L of water to produce a solution with pH = 5.16? The Kb of NH3 is equal to 1.8 x 10-5. 1 2 NEXT > Let x represent the original concentration of NH4* in the water. Based on the given values, set up the ICE table in order to determine the unknown. NH,*(aq) H20(1) H3O*(aq) NH3(aq) + Initial (M) |Change (M) Equilibriu m (M) RESET 1.00 5.16 1.8 x 10-5 2x 0.5x - -2x -0.5x 6.9 x 10-6 -6.9 x 10-6 0.709 -0.709 x + 6.9 x 10"6 -X x - 6.9 × 10-6 x + 0.709 x - 0.709
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.54QE: Assuming that the conductivity of an acid solution is proportional to the concentration of H3O+,...
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Question
Transcribed Image Text:How many grams of NH4B must be dissolved in 1.00 L of water to
produce a solution with pH = 5.16? The Kb of NH3 is equal to 1.8 x
10-5.
1
NEXT >
Let x represent the original concentration of NH4* in the water. Based on the given
values, set up the ICE table in order to determine the unknown.
NH4*(aq)
H2O(1)
= H;O*(aq)
NH3(aq)
+
+
Initial (M)
Change
(М)
Equilibriu
m (M)
5 RESET
1.00
5.16
1.8 x 10-5
2х
0.5x
-2х
-0.5x
6.9 x 10-6
-6.9 x 10-6
0.709
-0.709
x + 6.9 x 10"6
-9-
x - 6.9 x 10-6
x + 0.709
x - 0.709
![How many grams of NH4Br must be dissolved in 1.00 L of water to
produce a solution with pH = 5.16? The Kb of NH3 is equal to 1.8 x
10-5.
( PREV
1
2
3
NEXT >
Based on your ICE table and definition of Ka, set up the expression for Ka in order
to determine the unknown. Do not combine or simplify terms.
Ka
5 RESET
[0]
[1.00]
[5.16]
[1.8 x 10-5]
[x]
[2x]
[0.5x]
[6.9 x 10-6]
[0.709]
[x + 6.9 x 10-6]
[x - 6.9 x 10-6]
[x + 0.709]
[x - 0.709]
1.8 x 10-5
4.7
5.6 x 1010
1.8 x 10 19
II](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb67f5b4f-9f96-4f2f-93ec-c2762b2db8a1%2Fae74d24b-c5bf-42d1-9fed-02490ed1f302%2Fsep1gjm_processed.png&w=3840&q=75)
Transcribed Image Text:How many grams of NH4Br must be dissolved in 1.00 L of water to
produce a solution with pH = 5.16? The Kb of NH3 is equal to 1.8 x
10-5.
( PREV
1
2
3
NEXT >
Based on your ICE table and definition of Ka, set up the expression for Ka in order
to determine the unknown. Do not combine or simplify terms.
Ka
5 RESET
[0]
[1.00]
[5.16]
[1.8 x 10-5]
[x]
[2x]
[0.5x]
[6.9 x 10-6]
[0.709]
[x + 6.9 x 10-6]
[x - 6.9 x 10-6]
[x + 0.709]
[x - 0.709]
1.8 x 10-5
4.7
5.6 x 1010
1.8 x 10 19
II
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