one of the compounds which give garlic its characteristic door ajoene. A 7.252 g sample of...
A sample of 1.200 g of vitamin C is burned in the presence of excess of oxygen to yield 1.799 g of carbon dioxide and 0.491 g of water. Vitamin C contains only carbon, hydrogen, and oxygen 1) a) Calculate the mass percent composition of vitamin C b) Determine the empirical formula of vitamin C 2) Burning a 0.1500 g sample of a carbon-hydrogen-oxygen g CO2 and 0.1500 g H20. Show all work. compound in oxygen forms a) Calculate the...
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,...
lage composition of 67. Exercise: A compound containing gal and sulfur has a percentage compositi 59.18% gallium and 40.82% sulfur. What the number of grams of gallium in 100.08 this compound? 68. Exercise: An oxide of lead has a percentage composition of 86.62% lead and 13.38% oxygen. What is the number of grams of lead in 100.0 g of this compound? 69. Exercise: A 2.00 g sample of cholesterol contains 1.68 g carbon, 0.24 g hydrogen, and 0.08 g oxygen....
A 14.60 g sample of an unknown compound, composed only of carbon, hydrogen, and oxygen, produced 28.6 g of CO, and 14.6 g of H,O in a combustion analysis. What is the mass percent composition of oxygen of the unknown compound? • Round to one decimal place. Provide your answer below:
estion 38 of 38 > A 3.56 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This produced 3.85 g Co, and 2.10 g H,0. A second sample of this compound with a mass of 4.85 g produced 3.18 so,. A third sample of this compound with a mass of 8.78 g produced 4.53 g HNO, Determine the empirical formula of the compound. Enter the correct subscripts on the given chemical...
ne the molecular formulas to which the following em- c. CoC,Os (341.94 g/mol) d. n2. Derm to mulas and molar ade) and molar masses pertain. a. SNH (188.35 g/mol) h. NPCI, (347.64 g/mol) tem- red d. SN (184.32 g/mol) only carbon, hydrogen, and oxygen l for- 83. A compound that contains is 48.64% C and 8.16% H by mass, what is the empirica be mula of this substance? Themost common form of nylon (nylon-6) is 63.68% carbon. 12.38% nitrogen, 9.80%...
f a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This produced 2.20 g Co2 and 1.20 g H,O. A second sample of this compound with a mass of 4.86 g produced 3.19 g SO,. A third sample of this compound with a mass of 8.86 g produced 4.57 g HNO,. Determine the empirical formula of the compound. Enter the correct subscripts on the given chemical formula. empirical formula: CHNSO f a compound consisting...
5. 74.1% carbon, 8.6% hydrogen, & 17.3% nitrogen by mass. Its molar mass = 160 g/mol. 6. 59.0% carbon, 7.1% hydrogen, 26.2%oxygen, & 7.7% nitrogen by mass. Its molar mass = 180 g/mol. Find the molecular formula of a compound given: 7. 212.1 g sample with 42.4 g hydrogen and 169.7 g carbon. Molar mass = 30.0 g/mol 8. Carbon & Hydrogen containing compound sample with molar mass = 114.26 g/mol. 1 mole of the sample contains 18.17 g hydrogen....
Oxygen forms a number of compounds with nitrogen, many of which are quite reactive. One such compound is 36.86 % by mass N . Calculate the number of grams of oxygen present in a sample of this compound that contains 60.00 grams of N .
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