1. A bottle containing an alkaline earth chloride was removed due to uncareful handling. The sample may contain MgCl, , BeCl, or Caci2. The sample weighs 5.025g and then dissolve in water. After which excess of 0.100 M AGNO3 is added to ensure complete precipitation producing the precipitate of AgCl. The precipitate is dried to constant weight and obtain a mass of 12.020 g. Your mission is to analyze the identity of the sample. Molecular weight MBC12 = 95. 211 , BeC12 = 79.718 , Caci2 = 110.984 , AgCI = 143.32 AGNO3 = 169.873 Calculate the percent yield and identify the sample. Show complete solution
1. A bottle containing an alkaline earth chloride was removed due to uncareful handling. The sample may contain MgCl, , BeCl, or Caci2. The sample weighs 5.025g and then dissolve in water. After which excess of 0.100 M AGNO3 is added to ensure complete precipitation producing the precipitate of AgCl. The precipitate is dried to constant weight and obtain a mass of 12.020 g. Your mission is to analyze the identity of the sample. Molecular weight MBC12 = 95. 211 , BeC12 = 79.718 , Caci2 = 110.984 , AgCI = 143.32 AGNO3 = 169.873 Calculate the percent yield and identify the sample. Show complete solution
Chapter12: Gravimetric Methods Of Analysis
Section: Chapter Questions
Problem 12.31QAP
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