Answered: 17) An unknown hydrocarbon compound was…

17) An unknown hydrocarbon compound was analyzed for hydrogen by elemental analysis and results show that it contains 15.88 % H. What is the empirical formula? A) C,H, B) CgH18 C) C2H7

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions

Section4.7: Stoichiometry Of Reactions In Aqueous Solution-fundamentals

Problem 2RC: What volume of 0.250 M NaOH is required to react completely with 0.0100 moles of H2SO4? (a) 80.0 mL...

See similar textbooks

Related questions

Q: Eucalyptus leaves are the food source for panda bears. Eucalyptol is an oilfound in these leaves.…

Q: 64 g of Na2SO4 • xH2O were heated to yield 2.84 g of Na2SO4 What is the value of x?

A: NOTE : I think it is 6.4 g because 64 g of Na2SO4•xH2O will yield much more than 2.84 g of Na2SO4…

Q: A hydrocarbon is used as a fuel. A 100.0-g hydrocarbon contains 25.2 g hydrogen. Find the empirical…

A: We have to predict the empirical formula for hydrocarbon

Q: Combustion analysis of 63.8 mg of a C, H and O containing compound produced 145.0 mg of CO2 and…

A: Given data, Mass of a C,H and O containing compound = 63.8 mg Mass of CO2 = 145.0 mg Mass of H2O…

Q: Without using a calculator, arrange these samples in orderof increasing numbers of O atoms: 1 mol…

Q: What is the correct empirical formula for glucose (C6H12O6)? O C3H,O3 O C2H4O2 O CH2O O C,H120

A: The molecular formula for glucose is C6H12O6 . The subscripts represent a multiple of an empirical…

Q: Combustion analysis of 63.8 mg of a C. H, and O-containing compound produced 145.0 mg of CO2 and…

A: CO2 is the product which is containing C, C produced = 145.0 mg CO2 x (1 g/1000 mg) x (1 mole CO2 /…

Q: A. Determine the percent composition of the following compounds: 1. Methane (CH) 2. Glucose (CH12O6)…

A: Since you have posted a multiple questions with multiple sub-parts, we will solve first one question…

Q: Determine the molecular formula for a compound consisting of 95.21% carbon and 4.79% hydrogen with a…

Q: A sample of the male sex hormone testosterone, C19H28O2,contains 3.88 * 1021 hydrogen atoms. (a) How…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: What is the molecular formula of a compound with the empirical formula CH and molar mass of 26.04ga

Q: How many hydrogen atoms are present in 75.0 of g H2O?

A: Mass of water, H2O = 18.016 g/mol Mass of water = 75 g Moles of water, H2O = Mass Molar mass=75…

Q: What is the empirical formula for an unknown organic compound, if the compound contains 75% carbon…

Q: Complete combustion of 5.80 g of hydrocarbon produced 17.8 g of CO2 and 8.49 g of H2O. What is the…

A: Empirical formula is the smallest atom ratio by which a compound can be represented.

Q: What is the Empirical formula of a compound that is 40.0% C, 6.7% H, and 53.3% O

Q: How many H atoms are in 0.100 mole C13H18O2

A: The chemical formula of the molecule is C13H18O2 Given the moles of C13H18O2 = 0.100 mol

Q: Combustion analysis of fluorene, a polycyclic aromatic hydrocarbon used to make dyes, plastics, and…

A: Given,

Q: Calculate the number of moles of carbon present in the following sample. 1.271 g of ethanol, C2H5OH

Q: What is the percent by mass of carbon in acetone, C3H,O? А. 1.60 % В. 30.0 % С. 62.0 % D. 20.7 % Е.…

A: Standard data: The molar mass of carbon atom = 12.01 g/mol The molar mass of oxygen atom = 15.999…

Q: Given this equation: N2 + 3 H2→2 NH3, how many moles of NH3 can be produced from 1.6 moles of H2?

Q: The average nicotine (C10H14N2) content of a Camel cigarette is 1.93 mg. Suppose an individual…

Q: Which of the following is not true for 1 mole of the compound (CH3)2O? a. It contains…

A: 1 mole of a molecular/atomic substance is that amount of the substance which has 6.022×1023…

Q: A 10.68 g sample of compound that contains only carbon, hydrogen, and oxygen was analyzed through…

Q: Calculate the empirical formula of the compound composed of 38.67 % C, 16.22 % H, and 45.11 %N by…

A: Empirical Formula : Empirical formula gives us information about the relative ratio or percentage…

Q: Terephthalic acid is an important chemical used in the manufacture of polyesters and plasticizers.…

Q: The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules in…

A: Given in the question : Mass of O3 = 0.018 g Mass of other hydrocarbon sample CxH6 = 0.06085 g Given…

Q: An experiment requires that enough PNCl2 be used to yield 10.3 g of chlorine. How much PNCl2 must be…

A: Answer: 16.84 g

Q: Which has more hydrogen atoms? A mole of CH4 or two moles of H2? Provide an explanation.

A: Interpretation: Which has more hydrogen atoms, a mole of CH4 or two moles of H2 is to be determined.

Q: b. 4.25 x 10-2 mol of H2SO4 to molecules of H2SO4

Q: Nicotine, a component of tobacco, is composed of C, H and N. A 5.20-mg sample of nicotine was…

Q: A compound is analyzed and found to contain 86.55% boron and 13.45% hydrogen by mass. What is the…

A: Given, Boron contains 86.55% and hydrogen contains 13.45% by mass. Molar mass of Boron B = 10.811…

Q: What is the molecular formula of a compound that contains 66% Ca and 34% P and has a molar mass of…

A: Given , % P = 34% % Ca = 66 % Molar mass of Ca3P2 = 182.18 g/mol Molecular formula = ?

Q: What is the percent of N in N2H4?

A: Molecular weight of N = 14 g/mol Molecular weight of H = 1 g/mol Molar mass of N2H4 = 32 g/mol…

Q: How many bromine atoms are present in 35.2 g of CH2Br2?

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: One mole of glucose C_6 H_12 0_6 contains how many hydrogen atoms

Q: What is the empirical formula of a compound containing C, H, N, and O with 81.10% C, 8.24% H, 4.98%…

A: The molar amounts of C, H, N and O present in the given compound are determined first.

Q: 4. a. Çalculate the empirical formula: 73.14 % C, 7.37 % H, and 19.49 % O.

Q: A sample of the male sex hormone testosterone, C19H28O2,contains 3.88 x 1021 hydrogen atoms. (a) How…

A: Atoms and molecules amount is calculated with the help of mole concept. A mole is defined as amount…

Q: 1. An organic compound was found to contain 54.5% C, 9.2% H, and 36.3% O. a. What is the empirical…

A: The empirical formula is a chemical formula that shows the simplest ratio of elements present in a…

Q: A compound contains 76.47% Cr and 23.53% O. Calculate the empirical formula. Cr= 52.00 g/mole, O =…

A: Given :- Percent composition of Cr = 76.47 % Percent composition of O = 23.53 % MM of Cr = 52.00…

Q: 1. Which of the following is an example of an empirical formula? CH4 C6H1206 N306 C2H2 2. Which of…

A: Empirical formula It is the formula with simplest whole number ratio of atoms in a molecule.…

Q: Combustion of a 1.031-g sample of a compound containing only carbon, hydrogen, and oxygen produced…

Q: calculate the molecules of carbon dioxide in this amount. A. 5.15 * 10^22 B. 3.56 * 10^23 C. 2.29…

Q: ari File Edit View History Bookmarks Window Help Tue 11:3 www-awn.aleks.com alexs Yahoo Search…

A: One mole of methyl tert-butyl ether contains one mole Oxygen and 12 mole Hydrogen. Determine number…

Q: Which of the following compounds have the same empirical formula? O H20 and H2O2 O N204 and NO2 O CO…

Q: An unknown hydrocarbon compound was analyzed for hydrogen by elemental analysis anc results show…

Q: In a quantitative analysis study, 4.624 grams of a hydrocarbon (which contains carbon and hydrogen…

A: Since in the each molecule of CO2 we have 1 atom of C and in each molecule of H2O we have 2 H atoms…

Q: Ibuprofen has the molecular formula C13H1802. The number of moles of carbon atoms in 0.0325 mole of…

Q: What is the Empirical formula for C,H,,0s? CHO C,H,0, CH,0

A: In a molecule, the ratio of atoms present in it is called empirical formula of a substance.

Question

17) An unknown hydrocarbon compound was analyzed for hydrogen by elemental analysis and results show that it
contains 15.88 % H. What is the empirical formula?
A) C,H,
B) CgH18
C) C12H27
18) What is the concentration in ppm of a 3 70 L solution (d = 1.00 g/ml) containing 4 21 x 10:7 ka of the pesticide

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

The tetraethyl lead Pb(C2H5)4 in a 25.00 mL sample of aviation gasoline was shaken with 15.00 mL of 0.02179 M I2. (Hint: one mole of I2 reacts with one mole of the tetraethyl lead). After the reaction was complete, the unused I2 was titrated with 7.37 mL of 0.02959 M thiosulfate solution. Calculate the weight of Pb(C2H5)4 (MW = 323.4 g/mol) in each liter of gasoline.
Twenty sodium salicylate tablets labeled 325 mg were dispersed in sufficient water to make 200.0 mL. A 15.0–mL aliquot of the filtrate was titrated to a bromophenol blue endpoint in the usual way by 32.11 mL of 0.1000 N hydrochloric acid. Calculate the amount of sodium salicylate in each tablet, and from that, the percentage of the labeled amount. (NaC7H5O3 MW = 160.11 g/mol) Amount of sodium salicylate in each tablet = % labelled amount =
What is the concentration of Fe2+, in M, in a standard solution prepared by diluting (3.2x10^0) mL of (NH4)2Fe(SO4)2 solution that has a concentration of 2.50 x 10-4 M to a total volume of 50.00 mL with deionized water?
A 400 mg sample of a 600 mg tablet is dissolved in 60 mL of 0.3 M H2SO4 and combined with 2 g of solid KI and 50.00 mL of 0.0132 M standard KIO3. The sample is then titrated with 5.32 mL of 0.0712 M standard thiosulfate. Calculate the milligrams of vitamin C (176.12 g/mol) in the original tablet.
Consider a saturated solution of benzoic acid in water. Dichloromethane (a non-polar solvent) was added to the aqueous mixture, and the resulting mixture was mixed. After a while, a formation of two layers was observed. Given the structure of benzoic acid. Which of the following statements is TRUE? H ... H. HO H. benzoic acid A Benzoic acid will remain in the aqueous layer. B Benzoic acid will react to form sodium benzoate. Benzoic acid will be more soluble in the dichloromethane layer. D Benzoic acid will crystallize in the aqueous layer.
(a) Find the pH of a 1.00 L solution prepared with 12.43 g of base (CH2OH)3CNH2 (MW =121.135 g/mol) plus 4.67 g of its conjugate acid (CH2OH)3CNH3Cl (MW = 157.596 g/mol).(b) How many mL of 0.500 M NaOH should be added to 10.0 g of (CH2OH)3CNH3Cl to give a pH of 7.60in a final volume of 250 mLConsider the pKa of (CH2OH)3CNH3+ = 8.072
5 ml of substance (A) is titrated with 38 ml of 0.1 M of substance (B). if the legal minimum percent of (A) is 4% , Does this sample overrun the minimum limit ? Given the density of (A) = 1 g/ml and M.wt = 61 g/mole.
1. Using some of the following reagents, describe the preparation of 500 mL, pH 7 citric acid 1.8 M citric acid (H3C6H5O7, FW = 192) 1.2 M sodium dihydrogen citrate (NaH2C,H5O7, FW = 214) 1.5 M sodium hydrogen citrate (Na2HC6H507, FW = 236) 0.8 M sodium citrate (Na3C6H507, FW = 258) 0.1 М НСІ О.1 M NaOH distilled water For citric acid, Kaj = 7.4 x 10-4, Ka2 = 1.7 x 10-5, Kaz = 4.0 x 10-7 %3D %3D
A 0.3147-g sample of a primary-standard grade Na2C2O4 was dissolved in dilute H2SO4 and titrated with 31.67 mL of dilute KMnO4: 2 MnO4- + 5 C2O42- + 16 H+ → 2 Mn2+ + 10 CO2(g) + 8 H2O Calculate the molarity of the KMnO4 solution.
The volume of 0.16M NaOH needed to react with 40 mL of 0.12M H2SO4 is 30 mL 40 mL 53 mL 60 mL
A 0.8250 g of soda ash sample was dissolved in distilled H O and diluted to 250-mL using a volumetric flask. A 50.00 mL aliquot portion of the dilute soda ash solution needed 4.50 mL of 0.1200 M HCl to reach the phenolphthalein end point and 10.00 mL to reach the methyl orange end point. What is the %Na CO (%w/w) present in the soda ash sample? FW Na CO = 105.99 g/mol (Hint: Use dilution factor)
11:{0 10 s TE Q3// Calculate the number of grams in 20 ml of KOH that is neutralized with 25.0 mL of standard H,CO,2H,0, which is prepared from 0.315-gram oxalic acid, محمد على 21.03.16 الساعة ص1:43 1