PLEASE HELP-CHEMISTRY
PART A: Calculate the [OH−] for 0.04 M Ca(OH)2.
Answer in units of M.

PART B: Calculate the [H3O+] for 0.04 M Ca(OH)2.
Answer in units of M.

Why is carbon ideal for making different compounds?

Will mark brainliest how many electrons can be held in the energy level n = 4?

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