Asolution is prepared by adding .8 g of iron sulfate to 450ml of water
calculate the effective molality of the solution'

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Which formula can be used to calculate the molar mass of hydrogen peroxide

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood