Calculate the formula weight or molecular for the following: a) LICI b) SO2

Q: Analysis of an unknown hydrocarbon (CHy) revealed that the compound was 81.68% C. The subscript for…

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Q: Directions: Fill in the flow chart with appropriate word(s) to show how to determine the molecular…

A: Empirical formula is a formula of a compound which show the simplest whole number ratio between the…

Q: An unknown compound has the following percent compositions: 64.80% C, 13.62% H and 21.58% O. a)…

A: Given -  Percent Composition - Carbon - 64.80% Hydrogen -13.62% Oxygen - 21.58% Assume 100 g mass of…

Q: If there are 6.70 moles of O, how many moles of each of the compounds are present? H, SO, mol C,H,O,…

A: Given, Moles of O = 6.70 mol Moles of H2SO4 = ? Moles of C2H4O2 = ? Moles of NaOH = ?

Q: Heart disease is linked to high blood cholesterollevels. What is the percent composition of…

A: Percentage composition of each element defines the amount of that particular element present with…

Q: lable Below, what is the percent composition of A in the compound A2E? Round to the nearest 0.01 and…

A: Given-> Atomic mass of A = 9.68 g/mole Atomic mass of E = 42.59 g/mole

Q: Calculate the empirical formula of a compound which contains 47.3 percent C, 10.6 percent H, and…

A: The unknown compound contains 47.3% C, 10.6% H, and 42.1% O by weight   We know that --- the atomic…

Q: NaHCO3 is the active ingredient in baking soda. How many grams of oxygen are in 0.42 g of NaHCO3?…

A: Given,  The mass of NaHCO3 = 0.42 g.  Molar  mass of NaHCO3 =  84.01 g/mol…

Q: Determine the empirical formula for a compound that has 60.0% Sulfer and 40.0% Oxygen. If the…

A: Empirical formula is defined as simplest or most reduced whole number ratio of atoms present in a…

Q: 4. What is the percent by of oxygen in ethylene glycol, C,H,(OH),? mass The answer is

A: The molecular formula of ethylene glycol is = C2H4OH2 The mass percent of oxygen in ethylene glycol…

Q: Calculate the percentage composition for C2H60. (Enter your answer to four significant figures.)…

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Q: Propane is widely used in liquid form as a fuel for barbecuegrills and camp stoves. For 85.5 g of…

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Q: in 2.20 moles H3PO4: atoms of P and  atoms of O

A: 1 mol = 6.022 × 1023 atoms  Given:- 2.20 moles H3PO4

Q: 3.4.3 Determine the empirical formula of a compound that has the following composition: 92.3 percent…

A: The reduced ratio of the elements in a compound is represented by the empirical formula of the…

Q: learn.lcps.org/common-assessment-delivery/start/4846618960?action=Donresume&submissionld=492623761…

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Q: sing this equation: P4 + 6F2-4PF3 and the BCA table below, how many moles of P4 are needed to…

A: we have to calculate the moles of P4 needed

Q: one of the ingredient in vibegar is ethanoic acid ethnoic acid has a 69g mol and the following…

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Q: A compound is found to contain 9.227 % boron and 90.77 % chlorine by weight. To answer the…

A: Compound contains :  ℅ B = 9.227 % Cl = 90.77 Molecular mass of the compound is 117.16 g mol-1

Q: How many moles of C3H8 contain 4.95 × 1024 hydrogen atoms? 3.09 moles C3H8 8.22 moles C3H8 1.03moles…

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Q: what is the percent by mass of oxygen in citric acid? (MM=192.12 g/mol)

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Q: The following may be needed: 1 mol=6.022x1023. 1) Calculate the molecular mass and molar mass of…

A: 1.

Q: Select all the statements that are TRUE regarding molecular weight.   A. Molecular weight…

A: A. Molecular weight represents the total atomic mass of a molecule. (Right) Molecular weights of…

Q: What is the empirical formula of a compound of carbon, hydrogen, and Oxygen that contains 51.56% and…

A: Given:: %C = 51.56%  %H = 14.09 % then, empirical formula = ?

Q: 9. Determine the percent composition of each of the following compounds.a. Aluminum sulfateb. Sodium…

A: The percentage composition of a given compound is the ratio of the amount of each element to the…

Q: moles of H20

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Q: 1) Given the following compound  (NH4)3PO4 calculate  a) Number of moles of phosphorus in 3.00…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 39.  A compound of carbon and hydrogen contains 92.3% C and has a molar mass of 78.1 g/mol. What is…

A: The percentage of Hydrogen is calculated as, 100-92.3 = 7.7%The percentage represents ‘parts per…

Q: 6. A compound contains C, H, and I. Burming 18.42 g of this compound produced 0.42 g H2O. Treatment…

A: Given : Mass of compound burning = 18.42 g Mass of H2O produced on burning = 0.42 g Mass of compound…

Q: Aspirin, C9H8O4, is a common pain reliever and is also often given in low doses daily for prevention…

A: Given :- number of moles of aspirin (C9H8O4) in sample = 0.0745 mol  To calculate :- mass of aspirin…

Q: How many grams of carbon dioxide are produced from the combustion of 968654.96 grams of octane?

A: Combustion of octane gives CO2 and H2o.

Q: Calculate the molar masses

A: The molar mass of a compound can be determined by adding the standard atomic masses (in g/mol) of…

Q: 27. Give the name and calculate the molar mass for each of the following substances. а. Н3РОД b.…

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

Q: CN Write down the molecular formula and the molar mass of the above compound.

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: A compound is found to contain .3335% iorn. It is known that the coupound contains 4 atoms of iron…

A: Amount of iron in given compound -              total iron percentage =0.3335 % of the molar mass of…

Q: Solve this attachment

A: The given balanced equation is rewritten below:  2N2  + 5O2 →2N2O5From this equation we can conclude…

Q: A compound is made up of 86% carbon and 14% hydrogen. What is its empirical 6. formula? (C-12;H = 1)…

A: Answer :-  (B) CH2  The empirical formula of the compound = CH2…

Q: Acetaldehyde has the molecular formula C2H4O. Given 55.0 g of Acetaldehyde answer the following…

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Q: If PCL5=0.012 and PCL3 =0.068 and Cl2=0.068 what fraction of PCl5 has decomposed

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Q: Given 2500 g of ammonium phosphomolybdate (APM), (NH4)3PO4.12MoO3.3H2O, calculate: a) g-mol of APM…

A: 2500 g of ammonium phosphomolybdate trihydrate is the sample considered. The sample contains,

Q: What is the Molar Mass or Molecular Weight for H2O?

A: We can define molar mass of a substance as the sum of masses of all the atoms which are present in…

Q: 3. If methane is completely burned, find the percent nitrogen in the products.

A: Dear student, as you didn't given me question number you want, I'm solving first one only. Please…

Q: The mass of carbon, nitrogen, and hydrogen are 12amu, 16amu, and 1amu. What is the molecular weight…

A: Given:: Mass of C=12 amu mass of N= 16 amu (as given) mass of H= 1 amu molecular weight = ?

Q: Question 18 How many electrons are in the highest shell of a Be atom? Enter a number. Question 19…

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Q: An elemental analysis of a compound containing S and O produce 50.00 % S and the rest is oxygen.…

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Q: A standard number 2 pencil contains 3.0x10 grams of graphite (Formula: C). How many moles of…

A: Given : Mass of graphite i.e carbon = 3.0 X 10-4 g And molar mass of carbon = 12.011 g/mol.

Q: Draw the compound that have molecular weight of 201 g/mol

A: The structure of the compound having molecular weight of 201 g/mole is given in attached image.

Q: Part C In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol).…

A: Here we have to determine the moles of Cl2 present in 150 g of Cl2 and the mass of 2.90×10^22…

Q: Calculate number of grams for the following quantities: a) 4.00 moles CO2 b) 1.25 moles H2O c)…

A: We need to calculate mass in grams  of  for the following quantities:a) 4.00 moles CO2b) 1.25 moles…

Q: An unknown hydrocarbon (containing carbon and hydrogen) is found to have a molecular mass of 16 amu.…

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