The concentration of Ca(OH), from your calculation in #23 should have been around 0.021 M. What is the pH of the 0.021 M Ca(OH), solution?

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.