1. Determine the empirical and molecular formula of ibuprofen, the active ingredient in painkillers like Advil....
1. Determine the empirical and molecular formula of ibuprofen, the active ingredient in painkillers like Advil. The molar mass is 206 g/mole.
C = 75.7% H = 8.73% O = 15.5%
2. Calculate the mass of water present in 4.50 g of Ba(OH)2 * 2H2O
Homework Answers
- In question number 1: molecular formula weight= empirical formula weight
therefore molecular formula=empirocalformula
that is C13H18O2
Add Answer to:
1. Determine the empirical and molecular formula of ibuprofen,
the active ingredient in painkillers like Advil....
What is the percent nitrogen in (NH4)₂O? Find the empirical formula of each. of the following:...
What is the percent nitrogen in (NH4)₂O? Find the empirical formula of each. of the following: a) 55.37K, 14.6% P, 30.170 b.) 24.57. Na, 14.97 Si, 60.6%F C) 62.1% C, 5.217 H, 12.17N, 20.770 ) What is the molecular formula for each? a.) Empirical formula NH₂ Cl, molar mass = 51.5 g/mol 009 b.) Empirical formula Hco, molar mass=90.0g/mol c.) Empirical formula C₂H ₂ O molar mass = 88 g/mol The headache remedy ibuprofen is 75.79 8.8%H, and 15.5%0. It...
Molecular formula Molecular formula From the formula mass of the empirical formula on the previous page,...
Molecular formula
Molecular formula From the formula mass of the empirical formula on the previous page, and the molar mass of the hydrocarbon above, calculate the molecular formula of your hydrocarbon. What is the molecular formula of your hydrocarbon? Show calculation. PBL Report Members Empirical formula 42 477 From the data in page 1 calculate g of co, and g H,O Show calculations and include units ns0a634g 79 Mass of H2O 69.577-68.912 Convert the g of CO2 and g H20,...
Determined the Empirical formula and molecular formula for the following? A 11.81 gram sample of an...
Determined the Empirical formula and molecular formula for the following? A 11.81 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 14.98 grams of CO2 and 4.089 grams of H2O are produced. In a separate experiment, the molar mass is found to be 104.1 g/mol. Determine the empirical formula and the molecular formula of the organic compound. Enter the elements in the order C, H, O empirical formula = molecular formula =
Determine the empirical formula of a compound containing: a. 1. 48.5 gram sample containing 1.75 g...
Determine the empirical formula of a compound containing: a. 1. 48.5 gram sample containing 1.75 g carbon & 46.75 g bromine. 2. 30.9 gram sample containing 9.63 g sulfur & 21.3 g chlorine Determine the molecular formula of the following: 3. Empirical formula = CFBro & molar mass = 254.7 g/mol 4. Empirical formula = C2H8N & molar mass = 46 g/mol Determine the molecular formula for the following: 5. 74.1% carbon, 8.6% hydrogen, & 17.3% nitrogen by mass. Its...
Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C:H, and experimentally determined...
Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C:H, and experimentally determined molecular weight of 121 u. what is its molecular formula? a- CH4 b-CH C- CH2 d-C12H 37) How many chlorine atoms are in 12.2 g of CCI a-4.77 x 102 b-7.34 x 1024 c-1.91 x 1023 d-2.07 x 1023 38) What is the molar mass of glucose CH 206 a- 180.0 g/mol b- 24.0 g/mol c- 72.0 g/mol d-96.0 g/mol 39) The mass in...
A compound contains 10.13% C and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of...
A compound contains 10.13% C and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 237 g/mol. CCl3 C2Cl CCl
need help solving these questions. Mass? 20. (3 pts) What is the empirical formula of a compound that is 58.80% C, 9...
need help solving these questions.
Mass? 20. (3 pts) What is the empirical formula of a compound that is 58.80% C, 9.87% H, and 31.33%O by mass? 21. (3 pts) What is the empirical formula of a compound that is 71.98%C, 6.71% H, and 21.31%O by mass? 22. (2 pts) What is the molecular formula of a compound with a molar mass of 219.9 g/mol and an empirical formula of P203? 23. (2 pts) What is the molecular formula of...
The empirical formula of styrene is CH; the molecular mass of styrene is 104.14 g/mol. What...
The empirical formula of styrene is CH; the molecular mass of styrene is 104.14 g/mol. What is the molecular formula of styrene? How many H atoms are present in a 11.9 g sample of styrene? Use 6.02e23 as Avogadro's Number.
Magnesium hydroxide, the active ingredient in milk of magnesia, neutralizes stomach acid, primarily HCl, according to...
Magnesium hydroxide, the active ingredient in milk of magnesia, neutralizes stomach acid, primarily HCl, according to the reaction Mg(OH)2(aq) + 2HCl(aq) + 2H2O(1) + MgCl2(aq) What mass of HCI, in grams, is neutralized by a dose of milk of magnesia containing 3.26 g of Mg(OH)2? The balanced chemical equation for the combustion of propane is C3H3(g) + 502(g) +3CO2(g) + 4H2O(g) Which statement is correct about the complete combustion of 3.00 mole of propane, C3H8?
11 WIBUS. 19. Percent composition problems (Empirical formula and Molecular formula) A. Fructose, C6H12O6, is a...
11 WIBUS. 19. Percent composition problems (Empirical formula and Molecular formula) A. Fructose, C6H12O6, is a sugar commonly derived from corn and is 1.73 times as sweet as sucrose. Calculate the percent composition of carbon, hydrogen and oxygen in fructose. B. An unknown compound is found in tree sap. It has been shown to be composed of 40.0% carbon, 6.7% hydrogen and 53.3% oxygen by mass. It was also discovered the 5.00 moles of the material has a mass of...
What is the percent nitrogen in (NH4)₂O? Find the empirical formula of each. of the following: a) 55.37K, 14.6% P, 30.170 b.) 24.57. Na, 14.97 Si, 60.6%F C) 62.1% C, 5.217 H, 12.17N, 20.770 ) What is the molecular formula for each? a.) Empirical formula NH₂ Cl, molar mass = 51.5 g/mol 009 b.) Empirical formula Hco, molar mass=90.0g/mol c.) Empirical formula C₂H ₂ O molar mass = 88 g/mol The headache remedy ibuprofen is 75.79 8.8%H, and 15.5%0. It...
Molecular formula
Molecular formula From the formula mass of the empirical formula on the previous page, and the molar mass of the hydrocarbon above, calculate the molecular formula of your hydrocarbon. What is the molecular formula of your hydrocarbon? Show calculation. PBL Report Members Empirical formula 42 477 From the data in page 1 calculate g of co, and g H,O Show calculations and include units ns0a634g 79 Mass of H2O 69.577-68.912 Convert the g of CO2 and g H20,...
Determine the empirical formula of a compound containing: a. 1. 48.5 gram sample containing 1.75 g carbon & 46.75 g bromine. 2. 30.9 gram sample containing 9.63 g sulfur & 21.3 g chlorine Determine the molecular formula of the following: 3. Empirical formula = CFBro & molar mass = 254.7 g/mol 4. Empirical formula = C2H8N & molar mass = 46 g/mol Determine the molecular formula for the following: 5. 74.1% carbon, 8.6% hydrogen, & 17.3% nitrogen by mass. Its...
Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C:H, and experimentally determined molecular weight of 121 u. what is its molecular formula? a- CH4 b-CH C- CH2 d-C12H 37) How many chlorine atoms are in 12.2 g of CCI a-4.77 x 102 b-7.34 x 1024 c-1.91 x 1023 d-2.07 x 1023 38) What is the molar mass of glucose CH 206 a- 180.0 g/mol b- 24.0 g/mol c- 72.0 g/mol d-96.0 g/mol 39) The mass in...
need help solving these questions.
Mass? 20. (3 pts) What is the empirical formula of a compound that is 58.80% C, 9.87% H, and 31.33%O by mass? 21. (3 pts) What is the empirical formula of a compound that is 71.98%C, 6.71% H, and 21.31%O by mass? 22. (2 pts) What is the molecular formula of a compound with a molar mass of 219.9 g/mol and an empirical formula of P203? 23. (2 pts) What is the molecular formula of...
Magnesium hydroxide, the active ingredient in milk of magnesia, neutralizes stomach acid, primarily HCl, according to the reaction Mg(OH)2(aq) + 2HCl(aq) + 2H2O(1) + MgCl2(aq) What mass of HCI, in grams, is neutralized by a dose of milk of magnesia containing 3.26 g of Mg(OH)2? The balanced chemical equation for the combustion of propane is C3H3(g) + 502(g) +3CO2(g) + 4H2O(g) Which statement is correct about the complete combustion of 3.00 mole of propane, C3H8?
11 WIBUS. 19. Percent composition problems (Empirical formula and Molecular formula) A. Fructose, C6H12O6, is a sugar commonly derived from corn and is 1.73 times as sweet as sucrose. Calculate the percent composition of carbon, hydrogen and oxygen in fructose. B. An unknown compound is found in tree sap. It has been shown to be composed of 40.0% carbon, 6.7% hydrogen and 53.3% oxygen by mass. It was also discovered the 5.00 moles of the material has a mass of...
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