Given that the ph of a substance is 2.5, what is the poh?

a.
0

b.
3.5

c.
7.5

d.
11.5

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Calculate the number of molecules present in 0.750 mol of mgo.