Writing Empirical Formulas from Chemical Formulas

Q: A 45.00 g sample of tetraethyl lead contains 28.82 g lead, 13.37 g carbon and 2.81 g hydrogen.…

A: The given data: The mass of lead, (Pb)= 28.82 g The mass of carbon, (C)= 13.37 g The mass of…

Q: What is the difference between an empirical formula and a molecular formula?

A: The empirical and the molecular formulas are both a type of chemical formulas. An empirical formula…

Q: Arsenic reacts with oxygen to form a compound AsxOy. If 2.354 g of arsenic forms 3.611 g of the…

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Q: Distinguish between empirical formulas and molecular formulas.

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

A: Given ; hydrogen = 11.84%

Q: Mass of crucible and cover is 43.92 g. The mass of crucible, cover, and magnesium is 44.62g. Mass of…

A: Empirical formula is the chemical formula  which represents the simple ratio of atoms of constituent…

Q: A salt of copper and oxygen is 88.81% ( by mass) copper. Determine the empirical formula of the…

A: A salt of copper and oxygen is 88.81% (by mass) copper. The empirical formula of the copper oxide…

Q: Sort the molecular compounds in the table into groups with the same empirical chemical formula. .…

A: Here we are required to group the compound which have same empirical formula.

Q: A compound is composed of 81.72% Carbon and 18.28 % Hydrogen, by mass. What is the empirical…

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Q: Why do molecular, structural, and empirical formulas exist?

A: Why do molecular, structural, and empirical formulas exist?

Q: A sample of trifluoroacetic acid, C,HF,O2, contains 72.1 g of fluorine. Calculate the mass of the…

A: 1- First calculate the moles of fluorine atoms :  We know that,  moles of F = ( mass / molar atomic…

Q: Explain what the purpose of a subscription is in a chemical formula

A: The subscript is a number written outside the parentheses (brackets)  in a chemical formula.

Q: Calculate the mass of 606. mol of NH3. Round your answer to 3 significant figures. gNH,

A: We have to calculate the mass of 606 mol NH3.

Q: ruthenium chloride contains 48.72% ruthenium and 51.27% chlorine by mass. what is the empirical…

A: mass % of ruthenium (Ru) = 48.72 % = 48.72 gmass % of chlorine (Cl) = 51.27 % = 51.27 gEmpirical…

Q: If 7.00 g of iron react with 3.00 g of oxygen, what is the empirical formula of the compound formed?…

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Q: A compound is found to contain 45.71 % oxygen and 54.29 % fluorine by mass. What is the empirical…

A: Let us calculate step by step emphirical formula of given compound.

Q: Why is it important to use formulas (such as empirical, molecular, structural) in calculating…

A: Emperical formula(E.F.):- It shows the simplest number and types of atoms constituting the compound.…

Q: An Acid is a measure of the quantity of

A: Here the question not properly mentioned what to describe ,so i describe here the  acids, please…

Q: A compound is found to contain 38.65 % carbon , 16.25 % hydrogen , and 45.09 % nitrogen by mass. To…

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Q: compound contains 1.4966 g of carbon and 0.5034 g of hydrogen. find the empirical formula

A: When two or more atoms combine with each other, they will form molecule and those molecules has…

Q: An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. What is the most…

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Q: The empirical formula of styrene is CH; its molar mass is 130.2 g/mol. What is the molecular formula…

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Q: 1. A compound is 48.38% carbon, 8.12% hydrogen, and 53.5% oxygen by mass. Find its empirical…

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Q: a compound that contains only carbon, hydrogen, and oxygen is 68.5% C and 8.63% H by mass. what is…

A: The compound is composed of carbon, hydrogen, and oxygen atoms. The empirical formula of the…

Q: Researchers from the University of Cape Town in South Africa have discovered that penguins are able…

A: Since the chemical is only composed of Carbon, hydrogen and sulfur  hence we can assume its…

Q: write empirical and molcular formulas.

A: Number of moles = mass/molar mass  n = molar mass/empirical formula mass

Q: A chemist decomposes samples of several compounds; the masses of their constituent elements are…

A: The mass of constituents are , Na= 10.838 g, S = 7.557 g, O = 15.107 g, Molar masses are, Na=…

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

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

Q: explain the difference between an empirical formula and a molecular formula. Use an example to…

A: An empirical formula is the simplest whole number ratio of atoms in a compound, while a molecular…

Q: 1.651 g of Silver is combined with 0.1224 g of oxygen. Find the empirical formula.

A: moles of silver combining = mass / atomic mass atomic mass of Ag = 108 g/mol Hence moles of Silver =…

Q: A compound is found to contain 52.13 % carbon, 13.15 % hydrogen, and 34.72 % oxygen by mass. What is…

A: Empirical formula of any molecule is defined as the simplest whole number ratio of the atoms in a…

Q: How many formula units of NaCl are in 60.0 grams of NaCl

A: Given mass of NaCl = 60.00 g  Molecular mass of NaCl = 23 g/mol + 35.5 g/mol  = 58.5 g/mol

Q: salt.

A: Mass of Cupper= 88.81 Mass of Oxygen =100-88.81=11.19 Mole of Cupper =88.81÷63.5= 1.39 Mole of…

Q: True

A: Question True or false, the molar mass of a substance is the total mass of all atoms in the chemical…

Q: Consider the following Organic compound. Answer the following questions: a) Write the Empirical…

A: The given compound is an alkane consisting of total 8 Carbon atoms. The molecular formula of the…

Q: 7.00 g of iron is reacted with 3.00 g of oxygen. Find the empirical formula.

A: Since moles of Fe reaction = mass of Fe / atomic mass of Fe  and moles of O reacting = mass of O /…

Q: What is the difference between empirical formula and molecular formula

A: Empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in…

Q: Researchers from the University of Cape Town in South Africa have discovered that penguins are able…

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

Q: The formula for alum has 1 Al. How many units alum could be made from 7 Al atoms? Answer with a…

A: The molecular formula of alum is K2(SO4)·Al2(SO4)3·24H2O or KAl(SO4)2·12H2O

Q: Determine the empirical and molecular formulas for the given compound, which contains 72.41 percent…

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Q: A chemist decomposes samples of several compounds; the masses of their constituent elements are…

A: Empirical formula is the simplest ratio of the elements present in the given molecular formula.…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.