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• ### 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

• ### 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 =

• ### 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...

• ### Ibuprofen, a headache remedy, contains 75.69% C, 8.80% H, and 15.51% O by mass, and has...

Ibuprofen, a headache remedy, contains 75.69% C, 8.80% H, and 15.51% O by mass, and has a molar mass of 206 g/mol. Express your answers as chemical formulas separated by a comma.

• ### A compound was found to have an empirical formula of CH_2 O, and a molar mass...

A compound was found to have an empirical formula of CH_2 O, and a molar mass at approximately 180 g/mol. What is the molecular formula?

• ### 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...

• ### . What is the molecular formula of this The empirical formula of a compound is CH,O...

. What is the molecular formula of this The empirical formula of a compound is CH,O and its molar mass is 160.21 compound? Select the correct answer below: O CHO OC,H,O, OC,H,O, OC,H,O,

• ### ​An organic compound has the empirical formula C₂H₄NO.

An organic compound has the empirical formula C₂H₄NO. If its molar mass is 116.1 g/mol, what is the molecular formula of the compound?

• ### 3. Calculate the empirical formula for a compound containing 24.5 g of nitrogen and 70.0 g...

3. Calculate the empirical formula for a compound containing 24.5 g of nitrogen and 70.0 g of oxygen. 4. The empirical formula for a compound having a molar mass of 181.44 g/mol is C2HCl. What is the molecular formula?