The experimental calculation of aluminum's mass was found to be 25 grams
(experimental value), but the theoretical value is 30 grams. What is the percent
error?

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

What is the independent variable in this investigation? mass volume sample number substance density

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers