Q. The boiling point of benzene is 353.23k.when 1.80 g of non voltile solute was dissolved in 90g of benzene the boiling point is raised to 354.11k calculate the molar mass of solute .Kb for benzene =2.53 kg/mol Q. when 1.5g of a non volatile solute was dissolved in 90 g of benz...
Calculate the molar mass of a diprotic acid. It reaches the endpoint of the titration with NaOH at 28 ml. The initial concentration of NaOH is 0.09792 and the initial mass of the diprotic acid is 0.685 g. Molar Mass: The m...
Answer to: Calculate the molar mass of an unknown acid, if 23.64 ml of 0.1 M NaOH was required to neutralize (reach the equivalence point) 0.5632...
Molar mass of urea (NHaCONH2)= 2(1×14+2×1)+1×12+1×16= 60 g mol-10.25 molar aqueous solution of urea means: 1000 g of water contains 0.25 mol =(0.25×60)g of urea = 15 g of ureaThat is,(1000+15)g of solution contains 15 g of ureaTherefore, 2.5 kg (2500 g) of sol...
To determine which of the two compounds, Calcium Nitrate (Ca(NO₃)₂) or Ammonium Sulphate ((NH₄)₂SO₄), has a higher percentage of nitrogen, we will calculate the percentage of nitrogen in each compound step by step. Step 1: Calculate the Molar Mass of Calcium Nitrate (Ca(NO...
217 0 13:13 App 6.3 molar volume of gas 气体摩尔体积 3381 2 04:17:56 App 国际化学竞赛JCCO知识点讲解 342 0 17:09 App 5.2 equations for chemical reaction 配平化学反应方程式 1230 0 01:12:04 App IGCSE chemistry atoms and elements 原子和元素 406 0 15:12 App 4.3 the ionic bond 离子键 ...
Step by step video & image solution for Define molar mass. How will you calculate the molar mass of (i) H_(2)SO_(4) (ii) Na_(2)CO_(3) ? by Chemistry experts to help you in doubts & scoring excellent marks in Class 11 exams.Updated on:21/07/2023 ...
The molar mass definition of a compound is how many grams are in one mole of the compound. The molar mass of an element can be found by looking at the number below the symbol on the periodic table. It is most useful when making solutions in the lab, so y
1. Calculate the formula or molecular mass for the following substances: Potassium sulfate sulfur dioxide Calcium hydroxide 2. Calculate the molar masses for the following substances: Potassium nitrate Magnesium sulfate Dinitrogen pentoxide 3. Calculate the mass in grams of .38 mol sodium sulfite ...
Calculate the molar mass of: 1) (NH 4 ) 2 S 68.16 g 2) Fe 2 O 3 159.7 g 3) KClO 4 138.55g 4) SF 6 146.06 g 5) (NH 4 ) 2 SO 4 132.16 g 6) KClO 4 Calculate the grams present in: 1) 0.200 moles of H 2 S