2 points Calculate the number of grams of MgOH that must be dissolved in 2.0 liters of solution to produce a 0.47 molar 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.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.