Because tap water is slightly acidic, water pipes made of iron corrode over time, as shown by the balanced equation: 2Fe (s) + 6H+ + → 2Fe 3¹ (aq) K Na Ca Mg Al C Zn Fe (aq) Sn Pb H Cu Ag Au Pt + 3H Explain, in terms of chemical reactivity, why copper pipes are less likely to corrode than iron pipes. Reactivity Series of Metals 2(g) Potassium Sodium Calcium Magnesium Aluminum Carbon Zinc Iron Tin Lead Hydrogen Copper Silver Gold Platinum most reactive least reactive

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