{"id":149438,"date":"2022-03-21T10:21:45","date_gmt":"2022-03-21T04:51:45","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/molecular-weight-determination-using-solution-colligative-properties\/"},"modified":"2022-04-01T20:08:24","modified_gmt":"2022-04-01T14:38:24","slug":"molecular-weight-determination-using-solution-colligative-properties","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/","title":{"rendered":"Molecular Weight Determination Using Solution Colligative Properties"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#Colligative_Properties_Definition\" title=\"Colligative Properties Definition\">Colligative Properties Definition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#Molecular_Weight\" title=\"Molecular Weight\">Molecular Weight<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#Types_of_Colligative_Properties\" title=\"Types of Colligative Properties\">Types of Colligative Properties<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#Depression_In_Freezing_Point\" title=\"Depression In Freezing Point\">Depression In Freezing Point<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#Elevation_in_Boiling_Point\" title=\"Elevation in Boiling Point\">Elevation in Boiling Point<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#Osmotic_Pressure\" title=\"Osmotic Pressure\">Osmotic Pressure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#Relative_Lowering_of_Vapour_Pressure\" title=\"Relative Lowering of Vapour Pressure\">Relative Lowering of Vapour Pressure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/molecular-weight-determination-using-solution-colligative-properties\/#State_the_Properties_of_the_Polymers_that_influence_their_Molecular_Weight\" title=\"State the Properties of the Polymers that influence their Molecular Weight.\">State the Properties of the Polymers that influence their Molecular Weight.<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Colligative_Properties_Definition\"><\/span>Colligative Properties Definition<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Colligative properties are properties that depend on the number of particles in a solution, not on the type of particles. The most common colligative properties are freezing point depression and boiling point elevation.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-149437 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/molecular-weight-determination-using-solution-colligative-properties.jpg\" alt=\"\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/molecular-weight-determination-using-solution-colligative-properties.jpg?v=1647838299 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/molecular-weight-determination-using-solution-colligative-properties-300x212.jpg?v=1647838299 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Molecular_Weight\"><\/span>Molecular Weight<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Molecular weight is the weight of a molecule. It is calculated by adding up the atomic weights of all the atoms in a molecule.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Colligative_Properties\"><\/span>Types of Colligative Properties<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are four types of colligative properties: boiling point elevation, freezing point depression, osmotic pressure, and vapor pressure lowering.<\/p>\n<p>Boiling point elevation is the increase in boiling point that occurs when a solute is dissolved in a solvent. The greater the concentration of the solute, the higher the boiling point will be. This is because the dissolved particles interfere with the solvent&#8217;s ability to vaporize.<\/p>\n<p>Freezing point depression is the decrease in freezing point that occurs when a solute is dissolved in a solvent. The greater the concentration of the solute, the lower the freezing point will be. This is because the dissolved particles interfere with the solvent&#8217;s ability to crystallize.<\/p>\n<p>Osmotic pressure is the pressure that is exerted by a solvent on a solute in order to prevent the solute from crossing a semipermeable membrane. The greater the concentration of the solute, the greater the osmotic pressure will be.<\/p>\n<p>Vapor pressure lowering is the decrease in vapor pressure that occurs when a solute is dissolved in a solvent. The greater the concentration of the solute, the lower the vapor pressure will be. This is because the dissolved particles interfere with the solvent&#8217;s ability to evaporate.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Depression_In_Freezing_Point\"><\/span>Depression In Freezing Point<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Depression is the decrease in the vapor pressure of a liquid with increasing temperature. In freezing point depression, the freezing point of a solvent is lowered when an impurity is dissolved in it. The greater the concentration of the impurity, the greater the depression of the freezing point.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Elevation_in_Boiling_Point\"><\/span>Elevation in Boiling Point<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the atmospheric pressure. The higher the vapor pressure of a liquid, the higher the boiling point.<\/p>\n<p>The boiling point of a substance increases with an increase in the elevation of the location.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Osmotic_Pressure\"><\/span>Osmotic Pressure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Osmotic pressure is the pressure exerted by a solution on a semi-permeable membrane that is separating it from another solution. The pressure is created by the kinetic energy of the solvent molecules that are moving across the membrane. The osmotic pressure of a solution is directly proportional to the concentration of the solution and the molarity of the solution.<\/p>\n<p>The osmotic pressure of a solution can be used to determine the concentration of a solution. The osmotic pressure of a solution can also be used to determine the molarity of a solution.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Relative_Lowering_of_Vapour_Pressure\"><\/span>Relative Lowering of Vapour Pressure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The vapour pressure of a liquid is lowered when it is mixed with another liquid.<\/p>\n<p>The vapour pressure of a liquid is lowered when it is mixed with another liquid. The reason for this is that the molecules of the two liquids are now sharing space and this reduces the number of molecules that are available to form a vapour.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"State_the_Properties_of_the_Polymers_that_influence_their_Molecular_Weight\"><\/span>State the Properties of the Polymers that influence their Molecular Weight.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The molecular weight of a polymer is determined by a number of factors, the most important of which are the type of monomers used to make the polymer, the type of polymerization reaction, and the degree of polymerization.<\/p>\n<p>The molecular weight of a polymer is determined by the size and weight of the monomers that make it up. The more monomers there are, the higher the molecular weight will be.<\/p>\n<p>The type of polymerization reaction also affects the molecular weight. Chain-growth polymerization produces polymers with higher molecular weights than step-growth polymerization.<\/p>\n<p>The degree of polymerization also affects the molecular weight. Polymers with a higher degree of polymerization have higher molecular weights than those with a lower degree of polymerization.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Colligative Properties Definition Colligative properties are properties that depend on the number of particles in a solution, not on the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Molecular Weight Determination Using Solution Colligative Properties","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn about molecular weight determination using solution colligative properties topic of chemistry in details explained by subject experts on infinitylearn.com. 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