Complete Question
The complete question is shown on the first uploaded image
Answer:
The solution to this question is shown on the second uploaded image
Explanation:
I believe the answer is B. PO4-3
Porque es Clara y no contiene quimicos
Tiltmeters, creep meters, laser-ranging device, and GPS satellite.
a. pH=5, pOH=9
b. pH=6.4771, pOH=7.5229
c. pH=1.6021, pOH=12.3979
d. pH=11.8751, pOH=2.1249
e. pH=13.9208, pOH=0.0792