Which of these is a property of a substance that is composed of atoms that are held together by ionic bonds

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

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