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Calculate milli equivalent of washing soda required to remove its hardness from one litre hard water contains 18.00 mg M g 2 +

Correct answer

1.5

Step-by-step solution

Meq of M g + 2 ≡ Meq of washing soda W E × 1000 = M g + 2 ; E W = 24 2 = 12 18 × 1 0 - 3 12 × 1000 = 1.5

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