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Empirical Formula Solutions Library

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224 solutions

Empirical Formula

Q. The structural formulas of the compounds n-butane and isobutane are shown below.Which formulas-empirical, molecular, or structural-allow you determ...

Solved • Oct 25, 2018

Empirical Formula

Q. Consider the following four formulas: SO2, B2H6, CO, C4H2O2.Which of these formulas could be only an empirical formula, only a molecular formula, e...

Solved • Oct 25, 2018

Empirical Formula

Q. What is the empirical formula for manganese(II) oxide?

Solved • Oct 25, 2018

Empirical Formula

Q. The structural formula for ethane isWhat is the molecular formula for ethane?

Solved • Oct 25, 2018

Empirical Formula

Q. The structural formula for ethane isl H H| |H-C-C-H| |H HWhat is its empirical formula?

Solved • Oct 25, 2018

Empirical Formula

Q. Cyclopropane is an interesting hydrocarbon. Instead of having three carbons in a row, the three carbons form a ring, as shown in this perspective d...

Solved • Oct 25, 2018

Empirical Formula

Q. What are the molecular and empirical formulas for each of the following compounds?Write the molecular formula for the following compound.

Solved • Oct 25, 2018

Empirical Formula

Q. What are the molecular and empirical formulas for each of the following compounds?Write the empirical formula for the following compound.

Solved • Oct 25, 2018

Empirical Formula

Q. What are the molecular and empirical formulas for each of the following compounds?Write the molecular formula for the following compound.

Solved • Oct 25, 2018

Empirical Formula

Q. What are the molecular and empirical formulas for each of the following compounds?Write the empirical formula for the following compound.

Solved • Oct 25, 2018

Empirical Formula

Q. What are the molecular and empirical formulas for each of the following compounds?Write the molecular formula for the following compound.

Solved • Oct 25, 2018

Empirical Formula

Q. What are the molecular and empirical formulas for each of the following compounds?Write the empirical formula for the following compound.

Solved • Oct 25, 2018

Empirical Formula

Q. Two substances have the same molecular and empirical formulas.Does this mean that they must be the same compound?

Solved • Oct 25, 2018

Empirical Formula

Q. Write the empirical formula corresponding to each of the following molecular formulas.Al2 Br6,

Solved • Oct 25, 2018

Empirical Formula

Q. Write the empirical formula corresponding to each of the following molecular formulas.C8 H10,

Solved • Oct 25, 2018

Empirical Formula

Q. Write the empirical formula corresponding to each of the following molecular formulas.C4 H8 O2,

Solved • Oct 25, 2018

Empirical Formula

Q. Write the empirical formula corresponding to each of the following molecular formulas.P4 O10,

Solved • Oct 25, 2018

Empirical Formula

Q. Write the empirical formula corresponding to each of the following molecular formulas.C6 H4 Cl2,

Solved • Oct 25, 2018

Empirical Formula

Q. Write the empirical formula corresponding to each of the following molecular formulas.B3 N3 H6.

Solved • Oct 25, 2018

Empirical Formula

Q. Determine the molecular and empirical formulas of the following.The organic solvent benzene, which has six carbon atoms and six hydrogen atoms

Solved • Oct 25, 2018

Empirical Formula

Q. Determine the molecular and empirical formulas of the following.The compound  silicon tetrachloride, which has a silicon atom and four chlorine ato...

Solved • Oct 25, 2018

Empirical Formula

Q. Determine the molecular and empirical formulas of the following.The reactive substance diborane, which has two boron atoms and six hydrogen atoms

Solved • Oct 25, 2018

Empirical Formula

Q. Determine the molecular and empirical formulas of the following.The sugar called glucose, which has 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen...

Solved • Oct 25, 2018

Empirical Formula

Q. Polymers are large molecules composed of simple units repeated many times. Thus, they often have relatively simple empirical formulas. Calculate th...

Solved • Oct 16, 2018

Empirical Formula

Q. A compound contains 47.08% carbon, 6.59% hydrogen, and 46.33% chlorine by mass; the molar mass of the compound is 153 g/mol. What are the empirical...

Solved • Oct 16, 2018

Empirical Formula

Q. Determine the empirical formulas for the following compounds:(d) nicotine, C10H14N2

Solved • Oct 16, 2018

Empirical Formula

Q. Determine the empirical formulas for the following compounds:(b) citric acid, C6H8O7

Solved • Oct 16, 2018

Empirical Formula

Q. Nicotine is a poisonous, addictive compound found in tobacco. A sample of nicotine contains 6.16 mmol of C, 8.56 mmol of H, and 1.23 mmol of N [1 m...

Solved • Oct 12, 2018

Empirical Formula

Q. What is the empirical formula and empirical formula mass of the following compound?Ga2(SO4)3

Solved • Oct 12, 2018

Empirical Formula

Q. Determine the empirical formula of the following compound if a sample contains 87.5% N and 12.5% H by mass. Express your answer as a chemical formula.

Solved • Sep 27, 2018

Empirical Formula

Q. To understand what an empirical formula is and to team the procedure for finding empirical formulas. An empirical formula expresses the simplest ra...

Solved • Sep 27, 2018

Empirical Formula

Q. A 49.29 gram sample of chromium is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 72.03 g. Determine the empirical...

Solved • Sep 27, 2018

Empirical Formula

Q. Some of the formulas below could be either molecular or empirical formulas: however, some could only be molecular formulas. Which of the following ...

Solved • Sep 26, 2018

Empirical Formula

Q. A 41.6 mg sample of carbon reacts with sulfur to form 116 mg of the compound. What is the empirical formula of the carbon sulfide? Express your ans...

Solved • Sep 17, 2018

Empirical Formula

Q. Some of the formulas below could be either molecular or empirical formulas; however H2O2CH2OPOC3H4O3C2H4O2

Solved • Sep 17, 2018

Empirical Formula

Q. Which of the following is an example of an empirical formula? (a) C2H2O2 (b) C9H12 (c) C6H6(d) C9H18Cl2(e) N2O4

Solved • Sep 17, 2018

Empirical Formula

Q. What is the empirical formula of a compound composed of 35.9 g potassium (K) and 7.35 g oxyen (O)? 

Solved • Sep 14, 2018

Empirical Formula

Q. A molecule of a certain compound contains two nitrogen atoms and four oxygen atoms. What is the molecular formula for this compound? 

Solved • Sep 14, 2018

Empirical Formula

Q. The elemental mass percent composition of aspirin is 60.00% C, 4.48% H, and 35.52% O. Part ADetermine the empirical formula of aspirin. Express you...

Solved • Sep 14, 2018

Empirical Formula

Q. A 15.19 gram sample of cobalt is heated in the presence of excess chlorine. A metal chloride is formed with a mass of 42.61 g. Determine the empiri...

Solved • Sep 12, 2018

Empirical Formula

Q. A 51.94 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 74.26 g. Determine the empirical for...

Solved • Sep 12, 2018

Empirical Formula

Q. A 9.81 g sample of a compound contains 3.13 g potassium (K), 2.84 g chlorine (Cl), and oxygen (O). Calculate the empirical formula. 

Solved • Aug 27, 2018

Empirical Formula

Q. Measurements show that unknown compound X has the following composition: elements               mass%carbon                    63.1%hydrogen       ...

Solved • Jul 31, 2018

Empirical Formula

Q. A sample of an unknown contains 30.4% nitrogen and 69.6% oxygen. What is the empirical formula for this compound?

Solved • Jul 4, 2018

Empirical Formula

Q. Be sure to answer all parts.What are the empirical formula and empirical formula mass for C 3H6O3? 

Solved • Jul 4, 2018

Empirical Formula

Q. Which of the following compounds have the same empirical formula? Select all that apply.a. C6H16 b. C8H18 c. C12H24 d. C3H8 e. CH4 f. C2H6

Solved • Jun 26, 2018

Empirical Formula

Q. The condensed formula for propanoic acid is CH3CH2COOH. Write the molecular formula for  propanoic acid? Enter the elements in the order  CHO.

Solved • Jun 19, 2018

Empirical Formula

Q. The structural formula for ethyl propanoate is Write the molecular formula for ethyl propanoate? Enter the elements in the order   CHO.

Solved • Jun 19, 2018

Empirical Formula

Q. What is the molecular formula for

Solved • Jun 16, 2018

Empirical Formula

Q. A compound is 50.04% S and 49.95% O. What is the empirical formula? a. SO2 b. SOc. SO3 d. S2Oe. S2O3

Solved • Jun 8, 2018

Empirical Formula

Q. Limonene is a terpene found in the rind of lemon and other citrus fruits, contributing to their odor. The structure of limonene is shown at the rig...

Solved • May 12, 2018

Empirical Formula

Q. What is empirical formula of a coumpound that contain 38.7% K, 13.9%N, 47.4% O by mass.

Solved • Apr 29, 2018

Empirical Formula

Q. A sample of an iron-containing compound is 22.0% iron, 50.2% oxygen, and 27.8% chlorine by mass. What is the empirical formula of this compound?

Solved • Apr 9, 2018

Empirical Formula

Q. A 45.2 mg sample of phosphorus reacts with selenium to form 131.6 mg of the selenide. Determine the empirical formula of phosphorus selenide.

Solved • Mar 28, 2018

Empirical Formula

Q. What is the empirical formula for a compound that contains 29% Na, 41% S, and 30% O by mass?a. Na2S2O3b. NaSO2 c. NaSO3d. Na2S2O6

Solved • Mar 23, 2018

Empirical Formula

Q. Which of the following is NOT an empirical formula?a. CHOb. CH2Oc. C2H4Od. C2H4O2

Solved • Mar 15, 2018

Empirical Formula

Q. Element X forms three different compounds with element Y. Based on the information in this table what are the formulas of compounds 2 and 3?Compoun...

Solved • Mar 14, 2018

Empirical Formula

Q. What is the empirical formula for the compound P4O6?One way that chemists analyze new or unknown compounds is to determine the percentage compositi...

Solved • Feb 20, 2018

Empirical Formula

Q. A compound containing only carbon, hydrogen, and nitrogen is analyzed and found to contain 54.48% carbon and 13.74% hydrogen. What is the correct e...

Solved • Nov 10, 2017

Empirical Formula

Q. Aspirin has the following mass percent composition: C 60.00%, H 4.48%, and O 35.52%. Its empirical formula is:

Solved • Oct 10, 2017

Empirical Formula

Q. A 3.927 sample of glycerin was found to contain 1.536 g carbon, 0.345 g hydrogen, and the rest oxygen. Find the empirical formula of glycerin.

Solved • Oct 10, 2017

Empirical Formula

Q. Choose the incorrect statement. a. The molecular formula represents an actual molecule of the element or compound. b. The unit formula represents...

Solved • Oct 10, 2017

Empirical Formula

Q. The molecular formula for the condensed structural formula of the hydrocarbon below is: a. C5H10 b. C10H15 c. C15H30 d. C5H30 e. C15H10

Solved • Oct 10, 2017

Empirical Formula

Q. The molecular formula for the condensed structural formula of the hydrocarbon below is: a. C6H10 b. C8H15 c. C8H30 d. C5H30 e. C8H16

Solved • Oct 10, 2017

Empirical Formula

Q. What is the empirical formula of molecule A below? a. C4H10O4 b. C2H5O2 c. C4H10O2 d. C2H4O e. C2H5O

Solved • Jul 26, 2017

Empirical Formula

Q. Catechol is 65.4% carbon, 5.49% hydrogen, and 29.1% oxygen by mass. What is the empirical formula for catechol? (A) C3H3O (B) C3H3O2 (C) C6H6O2 ...

Solved • Jun 20, 2017

Empirical Formula

Q. A pure sample of a new chemical compound was analyzed and was found to have the following mass percentages: Al 31.5%; O 56.1%; S 12.4%. What is the...

Solved • Jun 19, 2017

Empirical Formula

Q. A compound with a composition of 87.5% N and 12.5% H was recently discovered. What is the empirical formula for this compound?  A) NH2 B) N2H3 C...

Solved • Jun 19, 2017

Empirical Formula

Q. Determine the empirical formula for a compound that contains C, H, and O. It contains 52.14% C and 34.73% O by mass. 

Solved • Jun 16, 2017

Empirical Formula

Q. A pure sample of a new chemical compound was analyzed and was found to have the following mass percentages: Al 31.5%; O 56.1%; S 12.4%. What is the...

Solved • Jun 5, 2017

Empirical Formula

Q. A compound with a composition of 87.5% N and 12.5% H was recently discovered. What is the empirical formula for this compound? A) NH2 B) N2H3 C)...

Solved • Jun 5, 2017

Empirical Formula

Q. Glucuronolactone is found in many plant gums and is added to some energy drinks.  A sample of this compound is analyzed and it is found to consist ...

Solved • Jun 2, 2017

Empirical Formula

Q. Dichlorobenzene contains 49.02 mass % C, 2.74 mass % H, and the remainder is Cl. Determine its empirical formula. A. C3H3Cl2 B. CHCl C. C2H2Cl2 ...

Solved • May 27, 2017

Empirical Formula

Q. A molecule is found to contain 47.35% by mass C, 10.60% by mass H, and 42.05% by mass O. What is the empirical formula for this molecule? a. C2H6O...

Solved • May 24, 2017

Empirical Formula

Q. Methamphetamine is a drug that results in neurotoxicity, increased risk of Parkinson's disease, oral decay and shrinking of brain matter. A sample ...

Solved • Oct 28, 2016

Empirical Formula

Q. Gahnite is a naturally occurring mineral containing aluminum (Al), oxygen (O), and zinc (Zn). A sample of the pure mineral was analyzed, and the fo...

Solved • Oct 12, 2016

Empirical Formula

Q. How many of the following formulas are empirical formulas? Hg2(NO3)2      H2SO4             P4O10              C2­H4O           A) 0             ...

Solved • Sep 19, 2016

Empirical Formula

Q. What is the empirical formula of a substance that contains 2.64 g of C, 0.444 g of H, and 3.52 g of O? A) CH2O B) C2H4O3 C) C2H4O2 D) C3H4O4

Solved • Sep 14, 2016

Empirical Formula

Q. What is the empirical formula for perfluoropropane if the compound contains 81% fluorine and 19% carbon by mass? A) C19F81 B) C2F8 C) C3F8 D) CF3

Solved • Sep 14, 2016

Empirical Formula

Q. What is the empirical formula for ethyl fluoride if the compound contains 49.97% carbon, 10.51% hydrogen, and 39.52% fluorine by mass? A) C4H10F4 ...

Solved • Sep 14, 2016

Empirical Formula

Q. What is the empirical formula for Hg2(NO3)2? A) HgNO3 B) Hg(NO3)2 C) Hg2NO3 D) Hg4(NO3)4 E) Hg2(NO3)2

Solved • Sep 14, 2016

Empirical Formula

Q. What is the empirical formula for C 4H10O2? A) C2H5O  B) CHO C) CHO2 D) CH2O E) C2H4O

Solved • Sep 14, 2016

Empirical Formula

Q. Which one of the following is not an empirical formula? A) CH2O B) CHO C) C2H4O D) C2H4O2

Solved • Sep 14, 2016

Empirical Formula

Q. Which pair of the following compounds does  NOT have the same empirical formula? A) C2H5COOCH3, CH3CHO B) C2H2, C6H6 C) C2H4, C3H6 D) C2H4O2, C...

Solved • Sep 8, 2016

Empirical Formula

Q. A sample of urea contains 1.121 g N, 0.161 g H, 0.480 g C, and 0.640 g O. What is the empirical formula of urea?

Solved • Jul 21, 2016

Empirical Formula

Q. The most common form of nylon (nylon-6) is 63.68% carbon, 12.38% nitrogen, 9.80% hydrogen, and 14.14% oxygen. Calculate the empirical formula for n...

Solved • Jul 21, 2016

Empirical Formula

Q. Give the empirical formula for each of the compounds represented below.

Solved • Jul 21, 2016

Empirical Formula

Q. Give the empirical formula for each of the compounds represented below.

Solved • Jul 21, 2016

Empirical Formula

Q. Give the empirical formula for each of the compounds represented below.

Solved • Jul 21, 2016

Empirical Formula

Q. Give the empirical formula for each of the compounds represented below.

Solved • Jul 21, 2016

Empirical Formula

Q. Which of the following pairs of compounds have the same empirical formula?d. diphenyl ether, C12H10O, and phenol, C6H5OH

Solved • Jul 19, 2016

Empirical Formula

Q. Which of the following pairs of compounds have the same empirical formula?c. nitrogen dioxide, NO2, and dinitrogen tetroxide, N2O4

Solved • Jul 19, 2016

Empirical Formula

Q. Which of the following pairs of compounds have the same empirical formula?b. ethane, C2H6, and butane, C4H10

Solved • Jul 19, 2016

Empirical Formula

Q. Which of the following pairs of compounds have the same empirical formula?a. acetylene, C2H2, and benzene, C6H6

Solved • Jul 19, 2016

Empirical Formula

Q. Determine the molecular and empirical formula of the following: (d) the sugar called glucose, which has six carbon atoms, twelve hydrogen atoms, an...

Solved • Jul 4, 2016

Empirical Formula

Q. Determine the molecular and empirical formula of the following: (c) the reactive substance diborane, which has two boron atoms and six hydrogen atoms

Solved • Jul 4, 2016

Empirical Formula

Q. Determine the molecular and empirical formula of the following: (b) the compound silicon tetrachloride, which has a silicon atom and four chlorine ...

Solved • Jul 4, 2016

Empirical Formula

Q. Determine the molecular and empirical formula of the following: (a) the organic solvent benzene, which has six carbon atoms and six hydrogen atoms

Solved • Jul 4, 2016

Empirical Formula

Q. Write the empirical formula corresponding to the following molecular formula: (f) B3N3H6.

Solved • Jul 4, 2016

Empirical Formula

Q. Write the empirical formula corresponding to the following molecular formula: (e) C6H4Cl2

Solved • Jul 4, 2016