High concentration of iron (III) ions, Fe3+, cause hard water. Write a balanced equation to show how iron ions can be removed using sodium carbonate, NaCO3.

Question

High concentration of iron (III) ions, Fe3+, cause hard water.  Write a balanced equation to show how iron ions can be removed using sodium carbonate, NaCO3.

DrBob222 · Accepted Answer

You meant Na2CO3 for NaCO3. 2Fe^3+ + 3Na2CO3 ==> Fe2(CO3)3 + 6Na^2+