Which set of formulas is correct for the compounds calcium hydrogen carbonate, magnesium chloride, and calcium sulfate, which can cause scale build-up in pipes?
Multiple Choice
CaHCO3, MgCl2, and Ca(SO4)2
CaHCO3, MgCl, and Ca(SO4)2
Ca(HCO3)2, MgCl, and CaSO4
Ca(HCO3)2, MgCl2, and CaSO4
Ca(HCO3)2, MgCl2, and Ca2SO4