0 votes 0 votes A sample of water has been analyzed for common ions and results are presented in the form of a bar diagram as shown. The non-carbonate hardness (expressed in mg/L as $CaCO_3$) of the sample is $40$ $165$ $195$ $205$ Water and Waste Water Quality and Treatment gate2016-ce-2 water-and-waste-water-quality-and-treatment environmental-engineering basics-of-water-quality-standards + – Milicevic3306 asked Mar 27, 2018 • edited May 27, 2021 by Chandanachandu Milicevic3306 11.9k points answer See all 0 reply
