Chemistry · Hydrogen and Water
Which of the following compounds is used for water softening (Calgon's method)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Na2}HPO4
- 2Na6P6O18✓
- 3Na3PO4
- 4Ca3(PO4)2
Correct answer
Na6P6O18
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