A sample of hard water contains 4.2 mg MgSo4 present in 250 g of analyzed water sample.what is amt of MgSO4 expressed as ppm.
1}12
2}8
3}8.4
4}16.8
|
A sample of hard water contains 4.2 mg MgSo4 present in 250 g of analyzed water sample.what is amt of MgSO4 expressed as ppm.
1}12
2}8
3}8.4
4}16.8
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