11. Analysis of a hydrocarbon showed that it contained 14.4% hydrogen and 85.6% carbon by weight....
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11 The empirical formula for a compound that contained 14.4% hydrogen and 85.6% carbon by mass is CH CH; la 12 If The molecular weight of H,PO, is 97.9 g/mol, the Equivalent weight is.... a 32.6 g per equivalent | 49 g per equivalent b 98 g per equivalent a 196 g per equivalent 130.2 g/cm' is equivalent to a 2000 Kg/m € 200 kg/m b 2 Kg/m a 20 Kg/m 14 Convert 240 K and...
A hydrocarbon compound is known to be 86% carbon by weight and 14% hydrogen. In an experiment, 3.72g of this hydrocarbon were added to 50g of liquid benzene. The freezing point of this solution was 0.06 degree C. The normal freezing point of benzene is 5.5 degree C, and normal freezing point constant (K_ip) is 5.12 degree C/m. a. What is the molecular weight of the compound? b. What is the molecular formula of the hydrocarbon c. What is the...
a combustion analysis of a 0.2104 g hydrocarbon sample (containing only hydrogen and carbon) yielded 0.6373 g carbon dioxide and 0.3259 g water. A separate experiment determined that the molecular weight of this compound is 58.7 g mol-1. from this data, determine both emperical and the molecular formula of this substance.
A. How many grams of AlCl3 (MW=133) will be produced ? B. An analysis of a hydrocarbon revealed that it contained 7.8% hydrogen and 92.2% carbon by weight. A mass Spectra revealed that its molecular weight was 78 amu. What is the empirical formula and what is the molecular formula?
A sample of a hydrocarbon, containing just carbon and hydrogen, is combusted in air to produce 15.00 g CO2 and 9.20 g H2O.What mass of hydrocarbon was combusted? What is its empirical formula? Mass spectrometry indicated that the molecular mass of the compound is 75.1 g/mol. What is themolecular formulae?
The qualitative analysis of an organic compound showed C, H, O in combustion analysis of 0.20 34 g of a compound gave 0.5 911 g of CO2 and 0.10 36 g of H2O. the molecular weight of the compound was determined by the freezing point pressure method and was found in 210 from the above experimental results. determine the molecular formula of the compound 2. A compound is shown by qualitative analysis to contain carbon nitrogen oxygen and hydrogen combustion...
2) A 1.000 g sample of a hydrocarbon (which is a compound that contains only carbon and hydrogen) was burned in oxygen, and the carbon dioxide and water produced were carefully collected and weighed. The mass of the carbon dioxide was 3.385 g, and the mass of the water was 0.692 g. What was the empirical formula of the hydrocarbon? A. C5H12 B. CsH6 C. CįH6 D. C H2 E. CįH star 1.00
An analysis of 15.0 g of compound containing CHN and O showed that it contained 9.53480.900 3 H 1.391 g N. and the remainder cxygen. What is the empirical formula of the compound! O a CsH7NO2 b. CgHoNOZ Oc C2H4NO d. CHENO OCH NO QUESTION 11 560.0 ml of water is added to 450.0ml of a 0.746 M aqueous solution of C3H803. The resulting molarity of the solution is 2.0.414 M Ob 0332 M O c 0.928 M 0.545M Od...
20) A compound was analyzed and found to be 47% Carbon, 11% Hydrogen and 42% Oxygen, What is its Empirical Formula? What is its molecular formula if its molecular weight is 304 g/mole?
20) A compound was analyzed and found to be 47% Carbon, 11% Hydrogen and 42% Oxygen, What is its Empirical Formula? What is its molecular formula if its molecular weight is 304 g/mole?