{"id":87479,"date":"2025-06-01T06:45:02","date_gmt":"2025-06-01T06:45:02","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87479"},"modified":"2025-06-01T06:45:02","modified_gmt":"2025-06-01T06:45:02","slug":"20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/","title":{"rendered":"20 g of common salt is dissolved in 180 g of water. What is the mass p"},"content":{"rendered":"<p>20 g of common salt is dissolved in 180 g of water. What is the mass percentage of the salt in the solution?<\/p>\n<p>[amp_mcq option1=&#8221;5%&#8221; option2=&#8221;9%&#8221; option3=&#8221;10%&#8221; option4=&#8221;15%&#8221; correct=&#8221;option3&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC NDA-1 &#8211; 2017<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2017.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2017\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe correct value for the mass percentage of the salt in the solution is 10%. Mass percentage is a way to express the concentration of a solution.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThe mass percentage of a solute in a solution is calculated as (Mass of solute \/ Mass of solution) * 100%.<br \/>\nIn this case, the mass of the solute (common salt) is 20 g, and the mass of the solvent (water) is 180 g.<br \/>\nThe mass of the solution is the sum of the mass of the solute and the mass of the solvent: Mass of solution = 20 g + 180 g = 200 g.<br \/>\nMass percentage of salt = (20 g \/ 200 g) * 100%.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nMass percentage = (1\/10) * 100% = 10%. This means that 10% of the total mass of the solution is due to the common salt. This concentration unit is often used in chemistry and everyday life, for example, in expressing the concentration of solutions like saline or sugar syrups.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>20 g of common salt is dissolved in 180 g of water. What is the mass percentage of the salt in the solution? [amp_mcq option1=&#8221;5%&#8221; option2=&#8221;9%&#8221; option3=&#8221;10%&#8221; option4=&#8221;15%&#8221; correct=&#8221;option3&#8243;] This question was previously asked in UPSC NDA-1 &#8211; 2017 Download PDFAttempt Online The correct value for the mass percentage of the salt in the solution &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"20 g of common salt is dissolved in 180 g of water. What is the mass p\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/#more-87479\">Detailed Solution<span class=\"screen-reader-text\">20 g of common salt is dissolved in 180 g of water. What is the mass p<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1093],"tags":[1101,1096,1155],"class_list":["post-87479","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1101","tag-chemistry","tag-physical-and-chemical-changes-solution","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>20 g of common salt is dissolved in 180 g of water. What is the mass p<\/title>\n<meta name=\"description\" content=\"The correct value for the mass percentage of the salt in the solution is 10%. Mass percentage is a way to express the concentration of a solution. The mass percentage of a solute in a solution is calculated as (Mass of solute \/ Mass of solution) * 100%. In this case, the mass of the solute (common salt) is 20 g, and the mass of the solvent (water) is 180 g. The mass of the solution is the sum of the mass of the solute and the mass of the solvent: Mass of solution = 20 g + 180 g = 200 g. Mass percentage of salt = (20 g \/ 200 g) * 100%.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"20 g of common salt is dissolved in 180 g of water. What is the mass p\" \/>\n<meta property=\"og:description\" content=\"The correct value for the mass percentage of the salt in the solution is 10%. Mass percentage is a way to express the concentration of a solution. The mass percentage of a solute in a solution is calculated as (Mass of solute \/ Mass of solution) * 100%. In this case, the mass of the solute (common salt) is 20 g, and the mass of the solvent (water) is 180 g. The mass of the solution is the sum of the mass of the solute and the mass of the solvent: Mass of solution = 20 g + 180 g = 200 g. Mass percentage of salt = (20 g \/ 200 g) * 100%.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:45:02+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"20 g of common salt is dissolved in 180 g of water. What is the mass p","description":"The correct value for the mass percentage of the salt in the solution is 10%. Mass percentage is a way to express the concentration of a solution. The mass percentage of a solute in a solution is calculated as (Mass of solute \/ Mass of solution) * 100%. In this case, the mass of the solute (common salt) is 20 g, and the mass of the solvent (water) is 180 g. The mass of the solution is the sum of the mass of the solute and the mass of the solvent: Mass of solution = 20 g + 180 g = 200 g. Mass percentage of salt = (20 g \/ 200 g) * 100%.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/","og_locale":"en_US","og_type":"article","og_title":"20 g of common salt is dissolved in 180 g of water. What is the mass p","og_description":"The correct value for the mass percentage of the salt in the solution is 10%. Mass percentage is a way to express the concentration of a solution. The mass percentage of a solute in a solution is calculated as (Mass of solute \/ Mass of solution) * 100%. In this case, the mass of the solute (common salt) is 20 g, and the mass of the solvent (water) is 180 g. The mass of the solution is the sum of the mass of the solute and the mass of the solvent: Mass of solution = 20 g + 180 g = 200 g. Mass percentage of salt = (20 g \/ 200 g) * 100%.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:45:02+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/","url":"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/","name":"20 g of common salt is dissolved in 180 g of water. What is the mass p","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:45:02+00:00","dateModified":"2025-06-01T06:45:02+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct value for the mass percentage of the salt in the solution is 10%. Mass percentage is a way to express the concentration of a solution. The mass percentage of a solute in a solution is calculated as (Mass of solute \/ Mass of solution) * 100%. In this case, the mass of the solute (common salt) is 20 g, and the mass of the solvent (water) is 180 g. The mass of the solution is the sum of the mass of the solute and the mass of the solvent: Mass of solution = 20 g + 180 g = 200 g. Mass percentage of salt = (20 g \/ 200 g) * 100%.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/20-g-of-common-salt-is-dissolved-in-180-g-of-water-what-is-the-mass-p\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-1","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-1\/"},{"@type":"ListItem","position":3,"name":"20 g of common salt is dissolved in 180 g of water. What is the mass p"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=87479"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87479\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}