[" One litre hard water contains "],[12.00mgMg^(2+)" .Milli- "],[" equivalents of washing soda "],[" required to remove its hardness "],[" is: "]

One litre hard water contains 12.00 mg Mg^(2+) millieqivalent of washing soda required to remove its hardness is

One litre hard water contains 12.00 mg Mg^(2+) millieqivalent of washing soda required to remove its hardness is

Calculate milli equilvalent of washing soda required to remove its hardness from one litre hard water contains "18.00 mg Mg"^(2+)

Calculate milli equilvalent of washing soda required to remove its hardness from one litre hard water contains "18.00 mg Mg"^(2+)

One litre of a sample of hard water contains 1.62g of calcium hydrogen carbonte. What amount of lime is needed to remove hardness of 10^(6) litres of such a sample

A sample of hard water is found to contain 40 mg of Ca^(2+) ions per litre. The amount of washing shoda (Na_(2)CO_(3)) required to soften 5*0 L of the sample would be

A sample of hard water is found to contain 40 mg of Ca^(2+) ions per litre. The amount of washing shoda (Na_(2)CO_(3)) required to soften 5*0 L of the sample would be

State one method to remove permanent hardness of water.