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You run an experiment of an unknown compound in lab and obtain a mass of 188...
3. Acrylic acid, used in the manufacture of some plastics, has the composition 50.0% C, 5.6% H, and 44.4% O by mass. What is the empirical formula? 4. Urea contains C, H, N, and O. A 2.54 gram sample of urea is found to contain 0.51 g carbon, 0.17 g of hydrogen, and 1.19 g of nitrogen. What is the empirical formula of urea? 5. Putrescine, a substance produced by decaying animals, is composed of 54.5 % carbon, 13.6% hydrogen,...
An unknown compound is composed of 47.08% C, 6.59% H, and 46.33% Cl. What mass (in g) of the compound will have 3.65 moles of carbon? The molar mass of the compound is 153 g/mol, what are the empirical and molecular formulas of the compound? Please show every step. Thank you!
7 A compound having an approximate molar mass of 165-170g has the following percentage composition by mass: carbon, 42.87%; hydrogen, 3.598%, oxygen, 28.55%, nitrogen 25.00%. Determine the empirical and molecular formulas of the compound. A compound consists of carbon and hydrogen. The molar mass of this compound id 44.1 g/mol The percent by mass of carbon is 81.71%. Determine the empirical and molecular formulas of the compound 8.
Combustion analysis 12.01 g of an unknown sample, which contains only carbon, hydrogen and oxygen, produced 14.08 g co2 and 4.32 h2o. Determine the empirical formula and molecular formula of the unknown sample, while the molar mass for the unknown sample is 150.078 g/mol. 15 pts) Combustion analysis 12.01 g of an unknown sample, which contains only carbon, hydrogen, and oxygen, roduced 14.08 g CO2 and 4.32 g H20. Determine the empirical formula and molecular formula of the unknown sample,...
A 1.802 gram sample of unknown compound contains 0.721 grams of carbon, 0.121 grams of hydrogen and 0.960 grams of oxygen. The compound has a molar mass of 180.2 g/mol. Determine the empirical formula of the compound and the molecular formula. Show all work.
You have a compound that is 5.672% carbon and 94.33% bromine. What is the empirical formula of the unknown? If the molar mass of the unknown is 1270.63 g/mol, what is the molecular formula of the unknown?
compound is found to contain 63.65 % nitrogen and 36.35 % oxygen by mass. the empirical formula is? the molar mass is 44.02 g/mol. what is the molecular formula? A compound is found to contain 6.360 % silicon , 36.18 % bromine , and 57.46 % iodine by mass. the empirical formula is? the molar mass is 441.7. what is the molecular formula? A compound is found to contain 64.80 % carbon , 13.62 % hydrogen , and 21.58 %...
Experiment 10: Empirical Formulas Post-lab: 1. In the experiment, how did you figure out the mass of any in your compound After heating minus before heating 2.8360 2.1.65g of 2. 1.651g of silver is combined with 0.1224g of oxygen. Find the empirical formula mole -0. 1.659 0.00 0.06 0.007 0.0 107.89-0 0.122490x Imole = 0.007 16.009 Empirical formula: 2.14 U O I 3. 7.00g of iron is reacted with 3.00g of oxygen. Find the empirical formula a exlmole -0.125 0.15...
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 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:?