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GCSE Chemistry Hard Water

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Calcium chloride, Magnesium nitrate, and Iron (II) Sulphate produce scum and no lather when contained in a sample of water that is mixed with soap.The ions that are responsible for "Hard ...  see all
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GCSE Chemistry Hard Water

Calcium chloride, Magnesium nitrate, and Iron (II) Sulphate produce scum and no lather when contained in a sample of water that is mixed with soap.
The ions that are responsible for "Hard Water" are therefore as follows:
This carbonic acid flows over chalk / limestone - reacts with calcium to form Calcium Hydrogen- carbonate. This is now soluble in water and so can cause hard water


Calcium chloride, Magnesium nitrate, and Iron (II) Sulphate produce scum and no lather when contained in a sample of water that is mixed with soap.
The ions that are responsible for "Hard Water" are therefore as follows:
This carbonic acid flows over chalk / limestone - reacts with calcium to form Calcium Hydrogen- carbonate. This is now soluble in water and so can cause hard...