What molar concentration of NH3 provides a[OH-] of 1.5x10-3? (Kb=1.8x10-5)
0.125m
(0.125+1.5x10-3)
(0.124-1.5x10-3)m
(1.5x10-3)m
As we discussed in concept
Value of Kb -
- wherein
The reaction goes as follows
We know that
Option 1)
0.125m
This option is correct.
Option 2)
(0.125+1.5x10-3)
This option is incorrect.
Option 3)
(0.124-1.5x10-3)m
This option is incorrect.
Option 4)
(1.5x10-3)m
This option is incorrect.