{"id":7138,"date":"2023-10-24T12:08:57","date_gmt":"2023-10-24T10:08:57","guid":{"rendered":"https:\/\/www.em-grade.com\/general-de\/molekulargewicht-pm-mw-und-fw\/"},"modified":"2023-10-24T12:08:57","modified_gmt":"2023-10-24T10:08:57","slug":"molekulargewicht-pm-mw-und-fw","status":"publish","type":"post","link":"https:\/\/www.em-grade.com\/de\/chemie-definitionen\/molekulargewicht-pm-mw-und-fw\/","title":{"rendered":"Molekulargewicht: PM, MW und FW"},"content":{"rendered":"<p>Das Molekulargewicht (MW) ist die Masse von einem Mol einer chemischen Einheit. Mit anderen Worten, das MW ist die Summe der Massen der Atome, aus denen ein Molek\u00fcl besteht. Sie wird in atomaren Masseneinheiten (a.m.u.) oder Dalton (Da) angegeben. Es ist jedoch \u00fcblich, die Masse ohne Einheiten anzugeben.   <\/p>\n<p>Diese Angaben werden systematisch auf Pulverflaschen vermerkt, da sie f\u00fcr die Einstellung der Molarit\u00e4t einer L\u00f6sung unerl\u00e4sslich sind. Es gibt jedoch verschiedene Akronyme f\u00fcr das Molekulargewicht. Auf Deutsch hei\u00dft es Molekulargewicht, w\u00e4hrend es auf Englisch MW (Molecular Weight) oder FW (Formula Weight) hei\u00dft.  <\/p>\n<p>Das Molekulargewicht kann zur Bestimmung der molaren Masse (M) einer chemischen Substanz verwendet werden. 1 a.m.u = 1Da = 1g.mol-1. Das folgende Video von TheChemistryNinja zeigt, wie man das Molekulargewicht (oder die molare Masse) berechnet.  <\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" title=\"How to Calculate Molecular Weight from a Chemical Formula\" width=\"1080\" height=\"810\" src=\"https:\/\/www.youtube.com\/embed\/XonYVIQ7atg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Das Molekulargewicht (MW) ist die Masse von einem Mol einer chemischen Einheit. Mit anderen Worten, das MW ist die Summe der Massen der Atome, aus denen ein Molek\u00fcl besteht. Sie&#8230;<\/p>\n","protected":false},"author":8,"featured_media":7139,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"itsec_x_frame_options":"","footnotes":""},"categories":[445],"tags":[643],"class_list":["post-7138","post","type-post","status-publish","format-standard","has-post-thumbnail","category-chemie-definitionen","tag-fw-pm-de"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/posts\/7138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/comments?post=7138"}],"version-history":[{"count":0,"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/posts\/7138\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/media\/7139"}],"wp:attachment":[{"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/media?parent=7138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/categories?post=7138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.em-grade.com\/de\/wp-json\/wp\/v2\/tags?post=7138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}