A compound is made up of 81.71% carbon and 18.28% hydrogen. Determine the empirical formula. O CH O CCHS O CHe O CH3

Q: The molar masses and empirical formulas of several compounds containing carbon and chlorine are as…

A: given: 284.77 g/mol, CCl 131.39 g/mol, C2HCl3 181.44 g/mol, C2HCl   a) empirical mass of CCl =…

Q: Compound X has a molar mass of 180.16 g·mol' and the following composition: element mass % carbon…

A:

Q: Complete the table. Element Mass Moles Number of Atoms Pt 0.0449 Fe 1.14 x 1025 Ti 23.8 mg Hg 2.05

A: Pt : Mass of Pt = moles x molar mass = 0.0449 x 195 = 8.76 g Number of atoms of Pt = moles x…

Q: Find the empirical formula of the following compounds.  72.4% Fe and 27.6% O

A: Fe = 72.4% O =27.6% We have to find Empirical formula...?

Q: Determine the chemical formula of each compound and then use it to calculate the mass percent…

A: SOLUTION: Step 1: Hello. Since the question has multiple sub-parts, the first three parts are…

Q: What is the mass of 2 moles of NH3? (Hint: 1 molecule of NH3 has a mass of 17 amu) * O 17 amu O 17 g…

A:

Q: Calculate the mass of 3.62 × 1 0 24 molecules of glucose( C 6 H 12 O 6 ).

A: To calculate the molar mass of any molecule. We must know about the molar masses of the individual…

Q: 1. Calculate the molar mass of the following compounds. Show your work (а) КОН (b) FeSO4.7H2O (c)…

A: Calculation for molar mass of KOH:Molar mass of K = 39.0983 g/molMolar mass of O = 15.999 g/molMolar…

Q: Complete the following table. Mass of Sample Moles of Sample Molecules in Sample Total Atoms in…

A: The question is based on mole concept The formula used and solution is given in the picture

Q: Determine the empirical formula of a compound containing 26.68% carbon, 2.24% hydrogen, and 71.08%…

A: Given,  26.68% carbon, 2.24% hydrogen, and 71.08% oxygen

Q: Without doing any calculations, determine which element in each of the compounds will have the…

A: The mass percent is the ratio of mass of a component to the total mass of the compound, which is…

Q: 2. What is the empirical formula for each of the following compounds? a. N,O4 b. H2SO4 c. C6H6

A: According to Bartleby Guideline I can answer only first one so I am answering first one of these two…

Q: Determine the simplest formula of nicotine which have the composition of 74.0 % C, 8.65 % H and…

A: Given: The composition of C (carbon) in nicotine is 74.0 % The composition of H (hydrogen) in…

Q: Determine the number of atoms of O in 66.6 moles of Al₂(CO₃)₃.

A: Here I have determined the number of atoms of O in 66.6 moles of Al₂(CO₃)₃.

Q: What is the empirical formula of a compound that is made up of 81.68% carbon and 18.32% hydrogen.

A: The formula of a compound in which the various elements are in the simplest whole number molar ratio…

Q: Determine the empirical formula for CH O. A) C,H,O B) C,H O C) C,H,O D) CHO E) C„H_O,

A:

Q: Determine the empirical formula of a compound containing 60.3% magnesium and 39.7% oxygen. Mgo O…

A: Answer :   A) MgO Consider ,  100 g of the sample containing Mg and O  % of Mg =60.3 g and % of O =…

Q: Compound X has a molar mass of 86.08 g-mol¯ and the following composition: element mass % carbon…

A: 1- First Calculate the moles of C, H and O :  a) moles of C = ( 55.80g / 12gmol-1 ) = 4.65 mol  b)…

Q: Find the number of particles in 35.0 grams of each of the following: Make sure o indicate the type…

A:

Q: What is the empirical formula of an unknown compound that contains 48.02% Carbon, 18.74% hydrogen,…

A: The simple number of atoms present in the molecule is shown below.

Q: Calculate the mass percent composition of lithium in Li3PO4. O 30.72% O 17.98% 26.75% 20.82% 55.27%

A: Mass % of Li in Li3PO4 ?

Q: Determine the number of atoms of O in 42.3 moles of Fe₂(SO₃)₃.

A:

Q: The mass of 0.22 mol of a molecule is 35.16 g. Identify the molecule. O Br2 O 02 12 O F2 O Cl2

A: Given: The number of moles of a molecule is 0.22 mol. The mass is 35.16 g.

Q: A sample of hydrocarbon on complete combustion gave 1.32 g of carbon dioxide and 0.72 g of water.…

A: Since we know that on complete combustion of of any hydrocarbon it produces H2O and CO2 . To solve…

Q: Calculate the empirical formula for each of the following natural flavors based on their elemental…

A: Given, Nitroglycerin : 15.87% C, 2.22% H, 18.50% N, and 63.41% O.   This means that 100 g of…

Q: what are the total moles of all atoms in 45.039g Na2S4O6? 1) 12 2) 6 3) 3 4) 2

A:

Q: 4) A. Determine the empirical formula of a compound composed of 66.70g carbon, 3.70g hydrogen, and…

A: The simple ratio for carbon, hydrogen, and oxygen in a compound are;

Q: Which compounds could be represented by the empirical formula CH2 ? Select one or more: O C2H4 O…

A: Here we have to find out the compounds given  below which have  empirical formula CH2.

Q: An iron-containing compound is 20.1% Fe, 11.5% S, 63.3% O, and 5.1% H. What is the empirical formula…

A: First of all, we will calculate the number of moles of each element from given mass and then, we…

Q: I. Write the empirical formula for the following compounds. 1) CH, 2) C̟H15 3) WO, 4) C2H6O2 5)…

A: The empirical formula of a compound is defined as the formula framed by the smallest possible ratio…

Q: Determine the number of atoms of O in 41.4 moles of Al₂(CO₃)₃.

A: Given, 41.4 moles of Al₂(CO₃

Q: What is the empirical formula of a compound that contains only iron and oxygen and is 22.27% oxygen?…

A: Given: The compound contains 22.27 % oxygen.

Q: Determine the number of atoms of O in 7.23 moles of Fe(NO₃)₃

A: 1 formula unit of Fe(NO3)3 = 9 atoms of oxygen .

Q: How many atoms of hydrogen are found in the compound, NH¼C2H;O2? 3 4 0 7 O 1

A: Answer: 7

Q: Compound X has a molar mass of 134.13 g•moland the following composition: element mass % carbon…

A: Given, % composition of C = 44.77 %, % composition…

Q: 7. Determine the empirical formula of a compound that contains 79.95% carbon, 9.40% hydrogen, and…

A: Composition of Carbon = 79.95 % = 79.95 g (Out of 100g) Composition of Hydrogen = 9.40% = 9.4 g…

Q: Calculate the number of oxygen atoms in a 130.0 g sample of iron(III) oxide (Fe,O3).

A: The number of atoms in 130.0 g of iron (III) oxide has to be determined. The  molecular mass of iron…

Q: 6. Determine the empirical formula of C3H8. O C3H8 C6H6 O CO.5H2 O CH2.5

A: Empirical formula = C3H8  Empirical formula of any compound shows simplest atoms ratio (cannot…

Q: how many atoms are in 1.000 mole of the following? (a) Fe (b) H2 (c) H2SO4

A:

Q: Determine the number of atoms of O in 22.3 moles of Al₂(CO₃)₃

A: Number of moles of a substance is equal to the mass of substance divided by its molar mass. The…

Q: A compound contains 15.94% boron with the remainder being fluorine. What is the empirical formula of…

A: The empirical formula is calculated from number of moles calculation.

Q: - 1 Compound X has a molar mass of 230.29 g mol 'and the following composition: element mass %…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: If you are given 9.47 x 1024 formula units of Li¿F, how many moles do you have of this imaginary…

A: Introduction: A formula unit is an empirical formula for an ionic compound. It is the minimum…

Q: Determine the number of atoms of O in 60.00 moles of Fe2(SO3)3

A: Given Moles of Fe2(SO3)3 = 60 moles

Q: The Avogadro number is defined as A The number of electron in 12g of C-12 substance B The number of…

A: The question is based on the concept of avogadro  number. we have to correctly identify the…

Q: List the elements in the compound CCl2Br2 in order of decreasing mass percent composition.

A: Mass percent composition can be expressed as the ratio of mass of the element in 1 mole of a…

Q: Determine the number of atoms of O in 57.5 moles of Fe(CIO2)3.

A:

Q: Determine the empirical Formula  68.85% C 4.95% H 26.20% O

A: To determine the empirical formula the following steps are followed: (1)  The sum of % of all the…

Q: A compound contains carbon, oxygen, and hydrogen. Analysis of a sample showed that it contained by…

A: 27) Given: Percent by mass of C = 68.9 % Percent by mass of H = 4.92 %

Q: Based on your answer in Part A (0.1 mol 13C), calculate the number of atoms in this amount of 13C?

A: One mole of any elements contains Avogadro number of atoms.  Avogadro number is 6.022*1023.