A) 4.002
B) 4.000
C) 4.200
D) 3.7
Correct Answer: D
Solution :
[d] \[[{{H}^{+}}]\] after mixing |
\[=\frac{{{10}^{-2}}\times 10+{{10}^{-4}}\times 990}{1000}\] |
\[\frac{0.1=0.0990}{1000}=\frac{0.1990}{1000}=1.99\times {{10}^{-4}}\] |
\[\therefore \] \[pH=4-0.3=3.7\] |
You need to login to perform this action.
You will be redirected in
3 sec