Can someone me calculate the ph and poh of

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

How do i turn 2 s into one in the products