{"id":208085,"date":"2025-04-26T07:31:55","date_gmt":"2025-04-26T07:31:55","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=208085"},"modified":"2025-04-26T07:31:57","modified_gmt":"2025-04-26T07:31:57","slug":"the-ph-of-a-solution-in-which-h30-1-5x10-3m","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/04\/26\/the-ph-of-a-solution-in-which-h30-1-5x10-3m\/","title":{"rendered":"The pH of a solution in which [H30+]= 1.5&#215;10^-3M"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The pH of a solution in which [H30+]= 1.5&#215;10^-3M<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To calculate the pH of a solution, we use the formula:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[<br>\\text{pH} = -\\log [H_3O^+]<br>]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>([H_3O^+]) is the concentration of hydronium ions in the solution.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In the given problem, the concentration of hydronium ions ([H_3O^+]) is (1.5 \\times 10^{-3} \\, M).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Apply the formula<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">[<br>\\text{pH} = -\\log (1.5 \\times 10^{-3})<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Calculate the logarithm<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Using a calculator to find the logarithm of (1.5 \\times 10^{-3}):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[<br>\\log (1.5 \\times 10^{-3}) \\approx -2.8239<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Determine the pH<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">[<br>\\text{pH} = -(-2.8239) = 2.8239<br>]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thus, the pH of the solution is approximately <strong>2.82<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The pH scale measures the acidity or basicity of a solution based on the concentration of hydrogen ions ((H_3O^+)) present. The lower the pH, the more acidic the solution, which corresponds to a higher concentration of hydrogen ions. A pH of 7 is considered neutral (neither acidic nor basic), with values lower than 7 indicating acidity and values greater than 7 indicating basicity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this case, the concentration of (H_3O^+) ions is (1.5 \\times 10^{-3} \\, M), which is relatively high compared to neutral water, where the concentration of (H_3O^+) is (1.0 \\times 10^{-7} \\, M). Since this value is greater than 7, the solution is acidic, and the pH is calculated to be 2.82, confirming that the solution is indeed acidic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The pH of a solution is an essential property, as it can affect chemical reactions, biological processes, and the solubility of various compounds.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The pH of a solution in which [H30+]= 1.5&#215;10^-3M The correct answer and explanation is : To calculate the pH of a solution, we use the formula: [\\text{pH} = -\\log [H_3O^+]] Where: In the given problem, the concentration of hydronium ions ([H_3O^+]) is (1.5 \\times 10^{-3} \\, M). Step 1: Apply the formula [\\text{pH} = [&hellip;]<\/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-208085","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/208085","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=208085"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/208085\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=208085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=208085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=208085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}