Determine the percent composition of the following: 1) NaBr

2) CaC2O4

3) Al2(SO4)3

4) LiNO3

5) CH3COOH

6) Ba(NO3)2

BTW all the numbers are SUBSCRIPTS
PLEASE HELP SOMEONE

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

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?