A student performed an experiment in the lab and discovered that the material used has a PH of 8.54. What is true about this material a
it is a base
b
it is an acid
c
more information needed to know if the material is acid or base

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.