Question: The table below represents the ionic characteristics ( in m e q L ) of water that is to be softened by excess lime -

The table below represents the ionic characteristics (in meqL) of water that is to be softened by excess lime-soda ash treatment in a two-stage system:
5. Find the hypothetical combinations of chemicals in the raw water:
6. Calculate the required soda ash for this water in mgL :
The table below represents the ionic

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