{"id":88,"date":"2022-07-13T17:38:32","date_gmt":"2022-07-13T17:38:32","guid":{"rendered":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/chapter\/exercise-6\/"},"modified":"2022-07-18T05:41:20","modified_gmt":"2022-07-18T05:41:20","slug":"exercise-6","status":"publish","type":"chapter","link":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/chapter\/exercise-6\/","title":{"raw":"Exercise 6","rendered":"Exercise 6"},"content":{"raw":"<div class=\"exercise-6\">\r\n<p class=\"import-Normal\">A groundwater sample from the Ethiopian Rift Valley has a Ca concentration of 14.1\u00a0mg\/L, F of 2.62\u00a0mg\/L at a temperature of 25 \u00b0C. Calculate the fluorite saturation index (<em class=\"import-GWPCambria\">SI<\/em>). Use log\u00a0<em class=\"import-GWPCambria\">K<\/em><sub class=\"import-GWPsubscript\"><em><em>fluorite<\/em><\/em><\/sub>\u00a0=\u00a0\u201310.6. Use any geochemical code available to you (if you do not have a code available, use the value \u20130.66 that we obtained using PHREEQC). Is the answer any different comparing the <em class=\"import-GWPCambria\">SI<\/em> with the activity products compared to the concentration products? Why or why not?<\/p>\r\n<p class=\"import-Normal\" style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/chapter\/solution-exercise-6\/\">Click for solution to Exercise 6<\/a><\/p>\r\n\r\n<\/div>","rendered":"<div class=\"exercise-6\">\n<p class=\"import-Normal\">A groundwater sample from the Ethiopian Rift Valley has a Ca concentration of 14.1\u00a0mg\/L, F of 2.62\u00a0mg\/L at a temperature of 25 \u00b0C. Calculate the fluorite saturation index (<em class=\"import-GWPCambria\">SI<\/em>). Use log\u00a0<em class=\"import-GWPCambria\">K<\/em><sub class=\"import-GWPsubscript\"><em><em>fluorite<\/em><\/em><\/sub>\u00a0=\u00a0\u201310.6. Use any geochemical code available to you (if you do not have a code available, use the value \u20130.66 that we obtained using PHREEQC). Is the answer any different comparing the <em class=\"import-GWPCambria\">SI<\/em> with the activity products compared to the concentration products? Why or why not?<\/p>\n<p class=\"import-Normal\" style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/chapter\/solution-exercise-6\/\">Click for solution to Exercise 6<\/a><\/p>\n<\/div>\n","protected":false},"author":1,"menu_order":35,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-88","chapter","type-chapter","status-publish","hentry"],"part":160,"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/pressbooks\/v2\/chapters\/88","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":3,"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/pressbooks\/v2\/chapters\/88\/revisions"}],"predecessor-version":[{"id":371,"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/pressbooks\/v2\/chapters\/88\/revisions\/371"}],"part":[{"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/pressbooks\/v2\/parts\/160"}],"metadata":[{"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/pressbooks\/v2\/chapters\/88\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/wp\/v2\/media?parent=88"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/pressbooks\/v2\/chapter-type?post=88"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/wp\/v2\/contributor?post=88"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/books.gw-project.org\/fluoride-in-groundwater\/wp-json\/wp\/v2\/license?post=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}