A 0.158 g sample of a compound containing the elements carbon, hydrogen, oxygen, and sulphur was burned completely, yielding 0.110 g CO2 and 0.0677 g H2O. In a separate experiment, all the sulphur in another 0.158 g sample was converted to 0.292 g of BaSO4. What is the empirical formula of the unknown compound?
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A 0.158 g sample of a compound containing the elements carbon, hydrogen, oxygen, and sulphur was...
25. When 3.62 g of a compound containing carbon, hydrogen, and oxygen were burned completely in air, 5.19 g of Co, and 2.83 g of H2O were produced. What is the empirical formula of the compound?
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?
Burning a 1.50-g sample of carbon-hydrogen-oxygen compound in oxygen yeilds 2.997g CO2 and 1.227g H2O. A separate experiment shows that the molecular mass of the coumpound is 88u. Determine mass percent compostion. Determine empirical Formula, and demtermine the molecular formula of the compound.
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?
Combustion of 2.78 mg of an unknown solid compound containing carbon, hydrogen and oxygen produces 6.32 mg of CO2 and 2.58 mg H2O. What is the empirical formula of this compound?
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?
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?
An unknown compound which consists of only carbon, hydrogen, and oxygen, has just been isolated. When 2.734 g of compound A are burned in excess oxygen, 7.51 g of CO2 and 1.229 g of H2O are produced. Calculate the empirical formula of compound A. C10H13O C5H4O C11H22O2 CH2O
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.
A 25.121 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put into a combustion analysis apparatus, yielding 44.751 mg of carbon dioxide and 18.319 mg of water. In another experiment, 30.199 mg of the compound is reacted with excess oxygen to produce 13.05 mg of sulfur dioxide. Add subscripts to the formula provided to correctly identify the empirical formula of this compound. Do not change the order of the elements. A 25.121 mg...