Determination  of a chemical formula for molar masses for Cu, Cl, H, O, H2O.

Q: determine the composition of  the following compounds: MgCl2,SiO2,(NH4)2S?

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Q: Given the following set of data for the determination of empirical formula of magnesium oxide: -…

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Q: What are the major sources of error in determination of the molar mass?

A: Major sources of errors in determination  of molar mass is as follows: 1) Errors in measurements due…

Q: Aspirin often used as an analgesic to relieve minor aches and pains. Elemental analysis of aspirin…

A: The given organic compound is made up of carbon, hydrogen and oxygen. The mass percent of C is 60%,…

Q: Determine the empirical and molecular formula for the following compound: 28.03% Mg, 21.60% Si,…

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Q: Calculate the molar mass. a. Co(NO3)2 x 6H2O b. Ni(NO3)2 x 6H2O

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Q: Calculate the molar mass of a transition metal oxalate with the formula XC204.2 H2O. The molar mass…

A: Given, Formula : XC2O4.2H2O  Molar mass of X = 58.71 g/mol Molar mass of C = 12.01 g/mol Molar mass…

Q: Ferrocene, [Fe(C10H10)(s) ;molar mass 186.03 g/mol]can be prepared by reacting 3.0 g of FeCl2(s)…

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Q: percentage by mass

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Q: Determine the empirical formula of a compound with the following composition by mass: 18.0%C, 2.5%H,…

A: We have to predict the empirical formula.

Q: Which of the following could be an empirical formula?

A: Empirical formula of a compound written with the smallest possible integers.

Q: An empirical formula will not provide the following information 1. lowest whole-number ratio of…

A: Empirical formula : Empirical formula is the lowest or simplest  ratio of the atoms present in the…

Q: Determine the molecular weight of Ca(NO3),

A: The given molecule is Ca(NO3)2.   The molecular weight of each atom in the given molecule is, Ca =…

Q: What is the molecular formula of a compound

A: Given :- molar mass of compound  = 220 g/mol            Empirical formula = P2O3.  To find :…

Q: Use your average AA concentration to calculate the mass percent of acetic acid in vinegar.

A: Mass percent = Mass of soluteMass of sample×100 Here solute is acetic acid and the sample is…

Q: Calculate the molar mass of potassium hydrogen phthlate (KHP), C8H5KO4.

A: The molar mass of potassium hydrogen phthlate (KHP), C8H5KO4. has to be calculated.

Q: calculate the molar mass of a teflon molecule that contains 5.0 x 104 cf2

A: Molar mass is defined as an average mass of atoms present in the chemical formula. It is the sum of…

Q: Calculate the molar mass of C5H11OH.

A: The compound given is C5H11OH.

Q: Calculate the molar mass of C4H11O2.

A: Molecular mass of any molecule is basically the sum of atomic masses of each element present in the…

Q: How to calculate the theoretical mass percentage of an element in a compound

A: The percentage composition of a compound is the percentage by mass of each element in the compound.

Q: barium chloride hydrate Mass percentage of H2O in hydrate (%):

A: Mass percentage of H2O  in barium chloride hydrate ( BaCl2.H2O)

Q: Ferrocene, [Fe(C10H10)(S) ;molar mass 186.03 g/mol]can be prepared by reacting 3.0 g of FeCl2(s)…

A: Consider the given information is as follows: Mass of ferrocene produced = 2.7 g Molar mass of…

Q: Based on their molecular masses, list the molar mass of each substance: Fe,0, CO Fe co,

A: In this question, the molar mass of the given compounds have to be determined: The molar mass of a…

Q: Calculate the mass percent composition of carbon in carbon containing compound. C2H2

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Q: Which of the following cannot be an empirical formula? O 1) Al(SIO3)3 O 2) AGNO3 3) KCI O 4) C4H10

A: Empirical Formula It is a chemical formula showing simplest ratio of elements in a compound.…

Q: balance this chemical reaction        ____  C6H11NO3S →       ____  C3H5OS +       _____  C3H6NO2

A: The balanced equation is shown below.

Q: Balance the equation: N2(g) + O2(g) → N2O5(g)

A: Simply count the nitrogen and oxygen individually and then proceed further.

Q: Calculate the formula weight of (a) sucrose, C12H22O11 (table sugar); and (b) calcium nitrate,…

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Q: Calculate the mass (in g) of sample. 1 glucose molecule (C6H12O6)

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Q: Calculate the formula weight of Mn(ClO4)2 • 4H2O.

A: Atomic weights of all atoms present in Mn(ClO4)2•4H2O is given,

Q: 4.00g of a metal carbonate MCO, gives 1.91g of MO on heating to constant mass. Identify metal M in…

A: The ratio of the substance to the molar mass of the substance is known as the number of moles. It is…

Q: Ferrocene, [Fe(C10H10)(s) ;molar mass 186.03 g/mol]can be prepared by reacting 3.0 g of FeCl2(s)…

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Q: Calculate the following quantities:(a) mass, in grams, of 0.105 mol sucrose (C12H22O11)(b) moles of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: nitrogen atoms in 38.1 g of TNT, C,H;N3O6

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: Calculate the mass (in g) of sample. 2.8x1022 H2O molecules

A: Avogadro's  number (NA) gives the number of atoms, molecules or ions in one mole of the substance…

Q: What is the correct formula of a hydrate that contains 24.5% H2O and 75.5% CaCl2, by mass percent?

A: since we know that general formula of hydrate of CaCl2  is CaCl2•xH2O where x is the number of mole…

Q: Calculate the mass percent composition of carbon in carbon containing compound. C2H5Cl

A: Mass percent :  It is the percentage of mass of a particular element present in the total mass of…

Q: Determination  of a chemical formula, what are the molar masses for Cu, Cl, H, O, H2O.

A: 1 mole = 6.022×1023 [Avogadro's number]  Anything which is in the number of 6.022×1023 is said to be…

Q: Calculate mass (in grams) of sodium in 8.5 g of sodium-containing food additive. NaC7H5O2 (sodium…

A: First determine the moles of sodium benzoate NaC7H5O2 as; Mass of sodium benzoate NaC7H5O2 = 8.5 g…

Q: Determine the molecular formula of a compound that has a molecular molar mass of 244.28 g/mol and an…

A: Given : Empirical formula of compound = C2H5O2  And molar mass of compound = 244.28 g/mol

Q: What is the chemical formula of a compound with an empirical formula of CH2O and a molar mass of…

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Q: Determine the empirical formula for a compound that contains 53.3% C, 11.2% H, and 35.5% S by mass.…

A: Given : Mass percent of C = 53.3 % Mass percent of H = 11.2 % Mass percent of S = 35.5 % Assuming…

Q: 3I2 + 6KOH → 5KI + KIO3 + 3H2O Is this a Balanced Chemical Reaction?

A: Yes it is a balanced equation. LHS = RHS.

Q: what are there molar mass? K3[Fe(CN)6] and K4[Fe(CN)6]

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Q: d) Determine the percentage composition. 1. C6H13OH 2. KCIO3 3. C2H5OH

A: 4NH3 + 5O2--------->6H2O +4NO The given equation is already balanced.

Q: Calculate the percentage by mass of magnesium in magnesium sulphate (MGSO4). 24 +32 +16 ×4 = 120 .

A: Introduction The percentage by mass of any element that is available in any particular compound can…

Q: How do I do this problem? Determine the empirical formula of a compound having the following…

A: Empirical formula: Formula of a compound in which the ratio of number of constituent elements is…