6. Chemical Quantities & Aqueous Reactions
Molarity
26PRACTICE PROBLEM
Water softeners are used to replace metal ions such as Ca2+ and Mg2+ in hard water with Na+. Calculate the moles of Na+ needed to replace these ions in 5 L of hard water with 0.035 M Ca2+ and 0.011 M Mg2+
Water softeners are used to replace metal ions such as Ca2+ and Mg2+ in hard water with Na+. Calculate the moles of Na+ needed to replace these ions in 5 L of hard water with 0.035 M Ca2+ and 0.011 M Mg2+