Epinephrine, also known as adrenaline, is a hormone secreted into the bloodstream in times of danger or stress. It contains59.0% C, 7.1% H, 26.2% O, and 7.7% N by mass and has a molecular mass of about 183.0 g/mol. What is its molecular formula?

Q: An ionic compound MX3 is prepared according to the following unbalanced chemical equation.   M  +…

A: The number of moles of X2 (nX) is calculated using equation (1) in which N is the number of…

Q: The empirical formula of a compound is C2H5O. Its molecular mass is 135.112. What is its molecular…

A: Molecular mass = n × Empirical formula mass

Q: Cortisol (μ=362.47 g/mol), one of the major steroid hor-mones, is a key factor in the synthesis of…

A: The number of carbon atom, (nC), is calculated as shown below where 69.6 % is the percentage…

Q: Phellandrene is a component of frankincense resin and has an odor described as “peppery-minty”. It…

A: Given ; hydrogen = 11.84%

Q: a. What mass is represented by 0.0146 mol of C3H7OH (2-propanol, rubbing alcohol)? Mass %3D b. What…

A: a). Given: The moles of C3H7OH = 0.0146 mol. The molar mass of C3H7OH = 60.09 g/mol.

Q: A particular ore of lead, galena, is 10.0% lead sulfide, PbS, and 90.0% impurities by weight. What…

A: we  need to calculate mass of Pb in the ore

Q: Ethanol, the alcohol contained in alcoholic beverages, is composed of 52.2% C 13.0% H, and oxygen.…

A:

Q: A compound is 52.14% C, 13.13% H, and 34.73% O by mass. What is the empirical formula of the…

A: Empirical formula refers to the formula of a compound in which the elements are present in the…

Q: The compound chloral hydrate, known in detective stories as knockout drops, is composed of 14.52% C,…

A: The empirical formula of a compound gives the proportions of the elements present in the compound.…

Q: The Haber-Bosch process involves the combination of nitrogen and hydrogen at high temperatures in…

A: Production of ammonia depends on limiting reagent. Limiting reagent is completely used during the…

Q: A compound is 53.31% C, 11.18% H, and 35.51% O by mass. What is its empirical formula?

A: Given,Mass percentage of C = 53.31 %Mass percentage of H = 11.18 %Mass percentage of O = 35.51 %This…

Q: Caffeine, a stimulant in coffee and tea, a molar mass of 194.19 g/mol and a mass percentage…

A: Given,

Q: A compound containing only C, H, and O, was extracted from the bark of the sassafras tree. The…

A: Given:Mass of CO2 = 167 mg.Mass of H2O = 34.2 mg.Molar mass of CO2 = 44 g/mol.Molar mass of H2O = 18…

Q: A compound's molar mass is 400 g/mol. Its percentage composition is 75.00% carbon, 5.05% hydrogen,…

A: Percentage composition can be used to find the moles of each atom present in the formula.

Q: Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as…

A: Given , mass of sample = 5.423 g mass of CO2=5.903 g mass of H2O = 3.020 g

Q: A compound contains 24.3% C, 4.1% H, and 71.6% Cl by mass, and has a molar mass of 99 g/mol. What is…

A:

Q: Cortisol (m 5 362.47 g/mol) is a steroid hormone involved in protein synthesis. Medically, it has a…

A: The empirical formula is calculated as, The number of moles of carbon=0.69612.01=0.058 The number of…

Q: Describe how molecular formulas and structural formulas areused to represent the compositions of…

A: Molecular formulas and structural formulas are used to represent the compositions of molecules that…

Q: Caffeine, a stimulant found in coffee, contains 49.5% C, 5.15% H, 28.9% N, and 16.5% O by mass and…

A: First we calculate the emperical formula . Then claculate n with the help of molar mass as given in…

Q: Iron(II) sulfate, FeSO4, is prescribed for the treatment of anemia. How many moles of FeSO4 are…

A:

Q: Tetrodotoxin is a toxic chemical found in fugu pufferfish, a popular but rare delicacy in Japan.…

A: Given that : % composition of Tetrodotoxin : 41.38% carbon by mass, 13.16% nitrogen by mass, and…

Q: A compound is 75.46% carbon, 4,43% hydrogen, and 20.10% ocygen by mass. It has a molecular masa of…

A: Given Element %  of  carbon(C) = 75.46 % = 75.46 g Element %  of  hydrogen(H) = 4.43 % = 4.43 g…

Q: An organic compound that has the empirical formula CHO has a molecular mass of 174amu. WHat is the…

A: Empirical formula display the simple ratio of the atoms present in a molecule and molecular formula…

Q: _____1. What is the % C in aspirin by mass in aspirin? _____2. What is the % O in aspirin by mass…

A:

Q: the fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of…

A: Number of moles of butane is calculated by dividing the amount in grams by molar mass.

Q: Ethylene glycol, used in automobile antifreeze, is 38.7% C,9.7% H, and 51.6% O by mass. Its molar…

A:

Q: a compound contains 47.08% C, 6.59% Hydrogen and 46.33% Cl by mass. The molar mass of the compound…

A: T

Q: The borax powder has the formula Na2B4O7.X H2O when 2.10 g of hydrate is heated in a crucible until…

A: given data is  amount of sample taken is 2.10g residue left is 1.10g M.Wt of Na2B4O7  is 201.0g

Q: The empirical formula of a compound is SN and its molar mass is 184.32 g/mol. The molecular formula…

A:

Q: Lactic acid, the substance that builds up in muscles during exercise, has a mass percent composition…

A: Given, The percent composition of 40.0% C The percent composition of 6.71% H The percent composition…

Q: Ferrocene, synthesized in 1951, was the first organic iron compound with FeC bonds. An understanding…

A: Given: Mass of sample=0.9437g Mass of CO2 produced= 2.233g Mass of water produced=0.457g We know…

Q: EDTA, which is short for ethylenediaminetetraacetic acid, is a chemical used in the textile industry…

A:

Q: Liquid nitromethane was once widely used as an explosive but is now much more common as a fuel for…

A:

Q: Chromium(III) oxide can be made from the reaction of sodium dichromate and ammonium chloride. What…

A: Given, mass of  sodium dichromate (Na2Cr2O7) = 108.7 g mass of ammonium chloride (NH4Cl) = 61.6 g…

Q: etraphenylporphyrin is a synthetic compound that resembles naturally occurring porphyrins.…

A: Step 1: % by mass of C = 85.96 % % by mass of H = 4.92 % % by mass of N = 100-(85.96 + 4.92)…

Q: It is 40.7%, 54.2% O and 5.1% H of the compound X, which is the main component of clove oil. (C: 12…

A: Here given the amount in percentage of C,H and O. So for rough formula means empirical formula of…

Q: The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of…

A: Given data here,The formula of butane is C4H10.The molecular weight of butane is 58.1 g/mol.so, the…

Q: A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields…

A:

Q: The chief component of eucalyptus oil is X, which contains 77.87% C, 11.76% H and the reminder O.…

A: Assume you begin with 100 grams of unknown compound X.

Q: A bottle of the pain reliever ibuprofen (C 13H 18O 2, molar mass 206.3 g/mol) contains 500 200.-mg…

A: Number of moles of a chemical compound is used to express the amount of chemical compound present in…

Q: A compound whose empirical formula is XF3 consists of 65%F by mass. What is the atomic mass of X?

A: The empirical formula for a given chemical compound is used to describe the simplest whole number…

Q: Nicotine, an alkaloid in the nightshade family of plants that is mainly responsible for the…

A: To find the molecular formula of nicotine,  • Convert the given percentage of elements to mass and…

Q: A compound's molar mass is 240 g/mol. Its percentage composition is 75.00% carbon, 5.05% hydrogen,…

A: We have given that  A compound molar mass is 240g/mole its percentage composition is 75.00% Carbon…

Q: 1.Ibuprofen is a compound used in painkillers. When a 2.174 g sample is burned in an excess of…

A:

Q: A compound responsible for the odor of garlic has a molecular weight of 146 g/mol. A 0.650 g sample…

A: The molecular formula represents exact number atoms present in a compound. An empirical formula…

Q: Aniline, a starting material for urethane plastic foams, consists of C, H, and N. Combustion of such…

A: Empirical formula of a compound is expressed with the ratio of minimum number of atoms of each…

Q: Which substance contains more carbon by mass, 6.01 g of glucose, C6H12O6 or 5.85 g of ethanol,…

A:

Q: Your doctor has diagnosed you as being anemic—that is, as having too little iron in your blood. At…

A: We have to predict the molecular mass , moles , and compound delivering more iron atoms.