Define water softeners remove metal ions

Reference no: EM13191929

Water softeners remove metal ions of Ca2+ and Fe3+ by replacing them with enough Na+ ions to maintain the same number of positive charges in the solution. If 9.55*10^2L of hard water is .0392M Ca2+ and .00281 M Fe3+, how many molves of Na+ are needed to replace these ions?

Reference no: EM13191929

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