Tdhaynes4176 Tdhaynes4176
  • 07-03-2024
  • Chemistry
contestada

Which condition defines whether water is considered to be hard (as opposed to soft)
Select one:
a) amount of Fe²+ and K+ ions
b) amount of Al³+ and Na+ ions
c) not defined by the presence of ions
d) amount of Ca²+ and Mg²+ ions

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