What large amounts of divalent cations might be found in hard water (multiple choice)?

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1. Ca2+, Mg2+, Fe2+
2. Mg2+, Ba2+, Ca2+, Zn2+
3. Mg2+, Fe2+, Ca2+, Cu2+
4. Ba2+, Mg2+, Cu2+

THANKS!

2007-12-02 13:31:21 · 2 answers · asked by chemquestions1 1 in Science & Mathematics ➔ Chemistry

1

Ba2+, Zn2+, Cu2+ would be present in only small amounts.

2007-12-02 13:40:42 · answer #1 · answered by Tim C 7 · 0⤊ 0⤋

Answer 1, because the chief hard water contaminate is Iron ions. Copper is not usually found in water systems.

2007-12-02 13:42:56 · answer #2 · answered by Anonymous · 0⤊ 0⤋