Environment & Ecology · Environmental Science
If Ca2+ contributes 40 mg/L and Mg2+ contributes 24 mg/L, total hardness as CaCO3 equivalent is approximately:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1198.7 mg/L✓
- 298.7 mg/L
- 3100 mg/L
- 464 mg/L
Correct answer
198.7 mg/L
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