0 0 votes Hardness in water is NOT caused by $\mathrm{Ca}^{2+}$ $\mathrm{Si}^{2+}$ $\mathrm{Mg}^{2+}$ $\mathrm{CO}_{3}^{2-}$ Principles of Water Chemistry gatees-2024 principles-of-water-chemistry analytical-aptitude + – admin 5.3k points answer 0 reply
