What is the pOH of a solution with hydrogen ion concentration equal to 5.5 x10^-9 M

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.