Calculate the pH of 0.046 M HClO4.<\/p>\n\n\n\n
The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n The pH of a solution can be calculated using the formula: pH=\u2212log\u2061[H+]\\text{pH} = -\\log[\\text{H}^+]<\/p>\n\n\n\n where [H+][H^+] is the concentration of hydrogen ions in the solution.<\/p>\n\n\n\n For a strong acid like HClO4HClO_4 (perchloric acid), it dissociates completely in water. This means that the concentration of hydrogen ions ([H+][H^+]) will be equal to the concentration of the acid itself. Therefore, for a 0.046 M solution of HClO4HClO_4, the concentration of H+H^+ ions will also be 0.046 M.<\/p>\n\n\n\n Now, substituting this value into the pH formula: pH=\u2212log\u2061(0.046)\\text{pH} = -\\log(0.046)<\/p>\n\n\n\n Using a calculator: pH=1.337\\text{pH} = 1.337<\/p>\n\n\n\n Therefore, the pH of a 0.046 M HClO4HClO_4 solution is approximately 1.34<\/strong>.<\/p>\n\n\n\n The pH scale measures the acidity or alkalinity of a solution. It is a logarithmic scale based on the concentration of hydrogen ions in the solution. Strong acids like HClO4HClO_4 dissociate fully in water, meaning that all of the acid molecules release hydrogen ions (H+H^+) into the solution. This results in a higher concentration of hydrogen ions and a lower pH.<\/p>\n\n\n\n The pH scale ranges from 0 to 14, with values below 7 indicating acidity, values above 7 indicating alkalinity, and 7 being neutral. Since the concentration of hydrogen ions in a 0.046 M HClO4HClO_4 solution is relatively high, the pH is below 7, confirming that the solution is acidic.<\/p>\n","protected":false},"excerpt":{"rendered":" Calculate the pH of 0.046 M HClO4. The correct answer and explanation is: The pH of a solution can be calculated using the formula: pH=\u2212log\u2061[H+]\\text{pH} = -\\log[\\text{H}^+] where [H+][H^+] is the concentration of hydrogen ions in the solution. For a strong acid like HClO4HClO_4 (perchloric acid), it dissociates completely in water. This means that the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-240716","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/240716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=240716"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/240716\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=240716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=240716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=240716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Explanation:<\/h3>\n\n\n\n