1) Vanillin, a compound used in the flavoring of food products, has the following percentage composition:...
1) Vanillin, a compound used in the flavoring of food products, has the following percentage composition: 64.2% C, 5.26% H, and 31.6% O. What is its Empirical Formula?
2) A sample of a compound of mercury and bromine with a mass of 0.389g was found to contain 0.111g bromine. its molecular mass was found to be 561u. What are its Empirical and Molecular Formulas?
3) A 0.6662g sample of "antimonal saffron" which is a red pigment used in painting, was found to contain 0.4017 g of antimony. The remainder was sulfur. The formula mass of this compound is 404 u. what are the Empirical and Molecular formulas of this pigment?
4) Strychnine, a deadly poison, has a formula mass of 334 u and a percentage composition of 75.42% C, 6.63% H, 8.38% N, and the rest is oxygen. Determine the Empirical and Molecular Formulas of this compound.
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1) Vanillin, a compound used in the flavoring of food products,
has the following percentage composition:...
7 A compound having an approximate molar mass of 165-170g has the following percentage composition by...
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.
3. Acrylic acid, used in the manufacture of some plastics, has the composition 50.0% C, 5.6%...
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,...
Determine the empirical formula of a compound that has the following % composition: 24.2% Cu, 27.0%...
Determine the empirical formula of a compound that has the following % composition: 24.2% Cu, 27.0% Cl, and 48.8% O. If the molecular mass of the compound is 262.5 g/mol, what is the molecular formula of the compound?
please answer all my questions for me. thank you!! Use the References to access important values...
please answer all my questions for me. thank you!!
Use the References to access important values if needed Calculate the percentage composition for NO2. Mass percentage of nitrogen = Mass percentage of oxygen = Submit Answer Retry Entire Group 8 more group attempts remaining Reference! Use the References to access important value of needed for this question 53.95 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 77.14...
6. A certain compound has the following elemental composition: C, H, O, N. In a combustion...
6. A certain compound has the following elemental composition: C, H, O, N. In a combustion analysis, 3.895 g of it was combusted to produce 9.087 g of CO2 and 3.411 g H20. Separate analysis determined that it is 12.38% N, and its molar mass is 226.4 g/mol. Determine its empirical and molecular formula.
6. A certain compound has the following elemental composition: C, H, O, N. In a combustion analysis, 3.895 g of it was combusted to produce 9.087...
8. An unknown compound has the following percent composition: 30.446% nitrogen and 69.554 % oxygen. The...
8. An unknown compound has the following percent composition: 30.446% nitrogen and 69.554 % oxygen. The molar mass of this compound is 138.00 g/mol. Determine the empirical and molecular formula for this unknown. [Given molar masses: N 14.01 g/mol; O 16.00 g/mol] (8 Pointsl
Chem200 Haggard Homework Problems Composition of Substances and Solutions 1. When 28.Ograms of CO is analyzed, it...
Chem200 Haggard Homework Problems Composition of Substances and Solutions 1. When 28.Ograms of CO is analyzed, it is found to contain 12.0g of carbon and 16.0g of oxveen. How much carbon and how much oxygen would be found in 100.0g of CO2 2. A sample of a compound is found to contain 40.0g of calcium, 71.0g of chlorine, 4.0g of hydrogen, and 32.0g of oxygen. How much of each element would be needed to make 750.0g of this compound? 3....
Compound X has a molar mass of 134.13·gmol−1 and the following composition: element mass % carbon...
Compound X has a molar mass of 134.13·gmol−1 and the following composition: element mass % carbon 44.77% hydrogen 7.52% oxygen 47.71% Write the molecular formula of X .
-1 Compound X has a molar mass of 86.09 g-mol and the following composition: element mass...
-1 Compound X has a molar mass of 86.09 g-mol and the following composition: element mass % carbon 55.81% hydrogen 7.02% oxygen 37.17% Write the molecular formula of X. 5 ?
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic...
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic compound C) molecular compound D) ternary acid 2) The compound TiO2 is classified as which of the following? A) binary acid B) ionic compound C) molecular compound D) ternary acid 3) What is the name for S2-? A) sulfur ion B) sulfide ion C) sulfite ion D) sulfate ion 4) What is the chemical formula for the nitrite ion? A) NO3- B) NO32- C)...
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.
please answer all my questions for me. thank you!!
Use the References to access important values if needed Calculate the percentage composition for NO2. Mass percentage of nitrogen = Mass percentage of oxygen = Submit Answer Retry Entire Group 8 more group attempts remaining Reference! Use the References to access important value of needed for this question 53.95 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 77.14...
6. A certain compound has the following elemental composition: C, H, O, N. In a combustion analysis, 3.895 g of it was combusted to produce 9.087 g of CO2 and 3.411 g H20. Separate analysis determined that it is 12.38% N, and its molar mass is 226.4 g/mol. Determine its empirical and molecular formula.
6. A certain compound has the following elemental composition: C, H, O, N. In a combustion analysis, 3.895 g of it was combusted to produce 9.087...
8. An unknown compound has the following percent composition: 30.446% nitrogen and 69.554 % oxygen. The molar mass of this compound is 138.00 g/mol. Determine the empirical and molecular formula for this unknown. [Given molar masses: N 14.01 g/mol; O 16.00 g/mol] (8 Pointsl
Chem200 Haggard Homework Problems Composition of Substances and Solutions 1. When 28.Ograms of CO is analyzed, it is found to contain 12.0g of carbon and 16.0g of oxveen. How much carbon and how much oxygen would be found in 100.0g of CO2 2. A sample of a compound is found to contain 40.0g of calcium, 71.0g of chlorine, 4.0g of hydrogen, and 32.0g of oxygen. How much of each element would be needed to make 750.0g of this compound? 3....
-1 Compound X has a molar mass of 86.09 g-mol and the following composition: element mass % carbon 55.81% hydrogen 7.02% oxygen 37.17% Write the molecular formula of X. 5 ?
1) What is the term for a compound containing two nonmetals? A) binary acid B) ionic compound C) molecular compound D) ternary acid 2) The compound TiO2 is classified as which of the following? A) binary acid B) ionic compound C) molecular compound D) ternary acid 3) What is the name for S2-? A) sulfur ion B) sulfide ion C) sulfite ion D) sulfate ion 4) What is the chemical formula for the nitrite ion? A) NO3- B) NO32- C)...
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