Chemistry, 13.03.2020 18:31, tatemelliott

Water "softeners" remove metal ions such as Ca2+ and Fe3+ by replacing them with enough Na+ ions to maintain the same number of positive charges in the solution. If 1.0×103 L of "hard" water is 0.015 M Ca2+ and 0.0010 M Fe3+, how many moles of Na+ are needed to replace these ions?

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Water "softeners" remove metal ions such as Ca2+ and Fe3+ by replacing them with enough Na+ ions to...