Ions that consist of a single atom are called ions

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a.oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.