Calculate the volume in milliliters of a 1.88 mol/L iron(II) bromide solution that contains 100. g of iron(II) bromide (FeBr2). Be sure your answer has the correct number of significant digits.

What shape would a molecule with two bound groups and two lone pairs have?

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules