Calculate the [H+] if the [OH-] = 3.11 x 10^9 M(same sig figs!)

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

You are to give ampicillin with a recommended dose of 25mg/kg to a child with a mass of 29kg. if stock on hand is 250mg/capsule how many capsules should be given?

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen