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Combustion analysis 12.01 g of an unknown sample, which
contains only carbon, hydrogen and oxygen, produced...
Combustion analysis of 0.6943 g of an unknown compound containing carbon, hydrogen, and oxygen, produced 1.471...
Combustion analysis of 0.6943 g of an unknown compound containing carbon, hydrogen, and oxygen, produced 1.471 g CO2 and 0.226 g H2O. Determine the molecular formula, given the molar mass is 166 g/ mol.
4. An unknown organic acid contains only carbon, hydrogen, and oxygen. Use the combustion analysis data...
4. An unknown organic acid contains only carbon, hydrogen, and oxygen. Use the combustion analysis data below to determine the empirical formula for the unknown organic acid Mass of unknown organic acid combusted :403 mg Mass of CO2 recovered: 845 Mass of H2O recovered :173 mg 250.0 mg of the same unknown organic acid is used in a titration, where 7.51 mL of 0.198 M NaOH were needed to reach the equivalence point. Determine the molar mass, and molecular formula,...
I have an unknown organic compound containing carbon, hydrogen and oxygen. Combustion analysis of 4.05 g...
I have an unknown organic compound containing carbon, hydrogen and oxygen. Combustion analysis of 4.05 g sample of the unknown produced 8.07 g CO2 and 3.76 g H2O. The molar mass of the unknown was determined to be 180 +/- 4 g/mol. What is the molecular formula of the unknown?
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields...
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 15.48 mg CO2 and 7.39 mg H20. The molar mass of the compound is 182.2 g/mol What are the empirical and molecular formulas of the compound? (Enter the elements in the order: C, H, O) The empirical formula: The molecular formula
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields...
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 15.48 mg CO2 and 7.39 mg H2O. The molar mass of the compound is 182.2 g/mol. What are the empirical and molecular formulas of the compound? (Enter the elements in the order: C, H, O.) The empirical formula:? The molecular formula:?
Combustion of a 1.025 g sample of a compound containing only carbon, hydrogen and oxygen produced...
Combustion of a 1.025 g sample of a compound containing only carbon, hydrogen and oxygen produced 2.265 g of CO2 and 1.236 g of H2O. What is the empirical and molecular formulas of the sample compound, if its molecular weight has been roughly determined to be 363 g/mol by mass spectrometer?
5. (12 pts) A compound contains only carbon, hydrogen, and oxygen. If complete combustion of 70.86...
5. (12 pts) A compound contains only carbon, hydrogen, and oxygen. If complete combustion of 70.86 g of this compound produces 103.9 g of CO2 and 42.52 g of H20, what is the molecular formula of this compound if it has a molar mass of 120.104 g/mol? (Carry each step to 3 digits after the decimal)
An herbicide contains only C , H , Cl , and N . The complete combustion...
An herbicide contains only C , H , Cl , and N . The complete combustion of a 125.0 mg sample of the herbicide in excess oxygen produced 130.7 mL of CO2 and 76.26 mL of H2O vapor at STP. A separate analysis determined the 125.0 mg sample contained 34.46 mg Cl . Determine the percent composition of the herbicide. percent carbon: % percent hydrogen: % percent chlorine: % percent nitrogen: % Determine the empirical formula of the herbicide. empirical...
1.)) An unknown compound containing carbon, hydrogen and oxygen is combusted. If 25.000 g of the...
1.)) An unknown compound containing carbon, hydrogen and oxygen is combusted. If 25.000 g of the compound produced 61.024 g of CO2 and 24.981 g of H2O, what is the empirical formula of the compound? 2.)) If the molar mass of this compound is 72.1 g/mol, what is the molecular formula?
2.516 g of a compound containing carbon, hydrogen and oxygen (CXHYOZ) is subjected to combustion analysis....
2.516 g of a compound containing carbon, hydrogen and oxygen (CXHYOZ) is subjected to combustion analysis. The results show that 3.082 g of CO2 and 2.705 g of H2O were produced. (i). What is the empirical formula for the compound? (ii). If the molecular weight of the compound is 160.2 g/mol, what is the molecular formula of the compound?
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 15.48 mg CO2 and 7.39 mg H20. The molar mass of the compound is 182.2 g/mol What are the empirical and molecular formulas of the compound? (Enter the elements in the order: C, H, O) The empirical formula: The molecular formula
5. (12 pts) A compound contains only carbon, hydrogen, and oxygen. If complete combustion of 70.86 g of this compound produces 103.9 g of CO2 and 42.52 g of H20, what is the molecular formula of this compound if it has a molar mass of 120.104 g/mol? (Carry each step to 3 digits after the decimal)
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exercise on VSEPR and molecular structrue.
octahedral
SeCl62-
TeCl62-
ClF62-
distorted
SeF62–
IF6–
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