PH + poH = 14
6.2 +poH = 14
poH = 7.8
The answer is D or 4,3,2!
Answer:
atomic mass=Protons+Neutrons=29+35=64
Explanation:
please complete question.
Answer:
A. PO43-
Explanation:
in the given is buffer . so H2PO4- and HPO42- both are present with equal concentration . Na+ is spectator ion it is also present in the concentration higher than the given species above .
but PO4-3 is not present . so it is lowest concentration
