1s2 2s2 2p6 3s2 3p6 4s2 3d 10 4p6 5s2 4d7 element electron configuration?

What is the ph of a solution with a 1.50 × 10−9 m hydroxide ion concentration?

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

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0