{"id":312,"date":"2015-04-17T12:00:12","date_gmt":"2015-04-17T02:00:12","guid":{"rendered":"http:\/\/www.trentwallis.com\/chemblog\/?p=312"},"modified":"2017-08-04T17:04:17","modified_gmt":"2017-08-04T07:04:17","slug":"cheryls-precipitate","status":"publish","type":"post","link":"http:\/\/www.trentwallis.com\/chemblog\/cheryls-precipitate\/","title":{"rendered":"Cheryl&#8217;s precipitate"},"content":{"rendered":"<p>Albert and Bernard just became friends with Cheryl, and they now know when her birthday is! They see that she is holding a test tube containing a solution and a precipitate, which she tells them that she has produced by mixing two 0.02 M aqueous solutions. They want to know what precipitate she has produced. Cheryl gives them a list of possible cations and anions present in the original solutions: Na<sup>+<\/sup>, Ag<sup>+<\/sup>, Ba<sup>2+<\/sup>, Mg<sup>2+<\/sup>, OH<sup>\u2013<\/sup>, CO<sub>3<\/sub><sup>2\u2013<\/sup>, Cl<sup>\u2013<\/sup>, SO<sub>4<\/sub><sup>2\u2013<\/sup>. She tells Albert the identity of the anion present in the precipitate and Bernard the identity of the cation present in the precipitate.<\/p>\n<p>Albert: I don\u2019t know what the precipitate is.<\/p>\n<p>Bernard: I didn\u2019t, but now that you\u2019ve said that, I do.<\/p>\n<p>Albert: Then so do I.<\/p>\n<p>What is the precipitate?<\/p>\n<p><a href=\"https:\/\/twitter.com\/hashtag\/cherylsprecipitate?src=hash\">#cherylsprecipitate<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Albert and Bernard just became friends with Cheryl, and they now know when her birthday is! They see that she is holding a test tube containing a solution and a precipitate, which she tells them that she has produced by &hellip; <a href=\"http:\/\/www.trentwallis.com\/chemblog\/cheryls-precipitate\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-312","post","type-post","status-publish","format-standard","hentry","category-chemistry"],"_links":{"self":[{"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/posts\/312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/comments?post=312"}],"version-history":[{"count":9,"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/posts\/312\/revisions"}],"predecessor-version":[{"id":484,"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/posts\/312\/revisions\/484"}],"wp:attachment":[{"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/media?parent=312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/categories?post=312"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.trentwallis.com\/chemblog\/wp-json\/wp\/v2\/tags?post=312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}