Question

A sample of hard water is found to contain 50 mg of CaSO4 in 12 kg of the sample.Calculate the hardness of the sample in terms of ppm of CaSO4.​

Answer 1

Answer:

Soda = 127.2 kg] 5. A sample of water has hardness 304 ppm CaCO3 equivalent. Find the hardness in terms of degree clark, degree French and mg/lit. ... 50 ml of standard hard water

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