unuafeisrael unuafeisrael

01-03-2022
Chemistry

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What ion causes hardness of water?

Respuesta :

nedleelormestoire nedleelormestoire

01-03-2022

Answer:

calcium ions

Explanation:

Water hardness is due to the presence of calcium ions, and to a lesser extent, magnesium, iron, and manganese.

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