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(b) If a water sample considered to be hard water contains 64 mg of CaCO3 per 300 ml of water. Calculate the hardness in terms of MgSO4 equivalent in mg/litre of MgS 04-​
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(b) If a water sample considered to be hard water contains 64 mg of CaCO3 per 300 ml of water. Calculate the hardness in terms of MgSO4 equivalent in mg/litre of MgS 04-​

User Benas
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Answer:

Moderately hard water – 61 to 120 mg/L (PPM) or 3.56 to 7 GPG. Hard water – 121 to 180 mg/L (PPM) or 7.06

Step-by-step explanation:

User DanieleAlessandra
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