A mixture of methane and ethane contains 36.47% by weight of ethyne Calculate the mole percent of ethane in 154.7 kg of this mixture.

Q: What is the number of formula units in a 4.96 mol sample of CaO? number of formula units: ?

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Q: Write the chemical formula for 1 mol of compound X containing 2 mol Al and 3 mol O.   X= ?

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Q: he Mole Reassessment (MC) Identify the correct mathematical calculation to determine the number of…

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Q: A compound consisting of B, N, and H undergoes elemental analysis. The % composition by mass is…

A: Given,Percent of B in the compound = 40.28 %Percent of N in the compound = 52.20 %Percent of H in…

Q: Compound X has a molar mass of 104.01 g mol and the following composition: element nitrogen fluorine…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: 2. Calculate (a) % weight and (b) % mole of all elements present in benzoic acid.

A: Percentage weight of a component in a given solution is the mass of the component in 100 g of the…

Q: 1. What is the molecular formula for the compound that has a molar mass of 180.2 g/mol and the…

A: You have asked multiple type questions, we will solve only first  questions for you. If you want any…

Q: A compound contains only C, H, and N. Combustion of 40.0 mg of the compound produces 78.1 mg CO₂ and…

A: In the given question we have to determine the empirical formula of the compound which contains…

Q: A compound contains, by mass, 81.7% carbon and 18.3% hydrogen. A 0.15 mole sample of this compound…

A: Given  % Carbon  = 81.7 %  % H   =  18.3 %  Number of mole     = 0.15 mole  Mass of compound = 6.6…

Q: The number of moles in 37.80 g of C2H6O (molar mass = 46.1 g/mol) is?

A: Given information,       Mass of C2H6O is 37.80 g.     Molar mass of C2H6O is 46.1 g/mol.

Q: Calculate the % composition of dextrose ( or glucose), C6H12O6

A: The molecular formula of glucose is C6H12O6, from the formula it is clear that 1mole of dextrose…

Q: A student in lab needs to make a solution that is 5.005.00% by mass NaCl. If 125 g125 g of NaCl is…

A: NaCl is ionic compund having Na+ and Cl- ions, they are also known as salts.

Q: how many moles of cocl3 are in 172.6 ml of a 19.6% mass sloution of cocl3 which has a density og…

A: You have given total volume and density, then find the mass of the solution to get the % mass of the…

Q: How many moles of CaC₂O4 H₂O are in 132.1 mg CaC₂O4 H₂O?

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Q: Given the following percentage composition: 43.64% phosphorus and 56.36% oxygen; and molecular mass…

A: The given data contains, Phosphorus =43.64% Oxygen =56.36% Molecular mass =141.9 g

Q: Oxygen Hydrogen Carbon Nitrogen 2. Calculate %N in the compound.

A: The compound given is,

Q: How many moles of BaCl2 are present in 26.17g of BaCl2

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Q: Calculate the percent composition for: (NH)2C204

A: The compound given is (NH4)2C2O4. In the compound, there are, 1) 2 N atoms 2) 8 H atoms 3) 2 C atoms…

Q: There are molecules in -- 0.04 moles of CaF2

A: One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules,…

Q: IV. Summary Questions 1. Calculate the mole fraction of each component in a liquid mixture…

A: Mole fraction of a component A in a minute of A and B is given by the following equation,  XA =…

Q: How many moles are in 16.7 gg of allyl sulfide?

A: The chemical formula of allyl sulfide is (C3H5)2S. Molar mass of allyl sulfide = 2×{(3×12)+(5×1)} +…

Q: A pure compound containing only rhodium and bromine has the mass percent composition 24.36 % Rh and…

A: The composition of a compound can be expressed in terms of mass percent of its components. The mass…

Q: Please assist with number 2

A: The number of moles of sodium atom can be calculated as given below.

Q: What is the empirical formula for this crystalline material? Ba

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Q: What is the molarity of a solution prepared by dissolving 37 mol KMNO4 in enough water to make 903 L…

A: Dear student I have given answer to your question in the image format.

Q: 1. Calculate all the elements present in benzoic acid in terms of a % by weight b. Mole %

A: We have to calculate the element present in benzoic acid by weight and mole % .

Q: sample of waterer (density is 0.998 g/mL) is measured to be 25.7mL.  How many mole of water are in…

A: Given: The density of water is 0.998 g/mL. The volume of the solution is 25.7mL. The molar mass of…

Q: during an experiment to determine avogadro's number 4 trials were recorded. what is the average…

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Q: What is the number of formula units in a 2.30 mole sample of FECl3

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Q: What is the mass percent of hydrogen in methane CH4?   25.13%   16.13%   20%   50%

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Q: Calculate the mass of water former by the complete reaction of 96.1 g of propane with oxygen

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Q: Name Acids Acetic acid Acetic acid Bases Common laboratory acids and bases Label concentration…

A: In this question, we have to solve both the parts with the given data.

Q: 0.189g Fe was heated to produce 0.270g of FexOy. Calculate the empirical formula.

A: Empirical formula of a compound represents the proportion of the elements in a compound irrespective…

Q: how many moles of nh3 can be produced from 12 mol of h2 and excess n2?

A: Given,Moles of H2 = 12mol

Q: moles

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Q: What is the percent water in MgSO4•7H2O?

A: We know that, From periodic table: Molar Mass of  Mg, =24.3g Molar Mass of  S=32g Molar Mass of…

Q: How many moles of glucoseare present in 50.0 grams of an aqueoussolution that is 2.50% by mass…

A: Given that: 50.0 grams of an aqueous solution that is 2.50% by mass glucose. So mass of glucose in…

Q: 4NH3(g)+5O2(g)---->4NO(g)+6H2O What is the mole-mole factor (ratio) of O2 to H2O?

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Q: Convert the 123 g of CaF2 to moles.

A: Given the amount of CaF2 =123 gram we are asked to calculate the number of moles of CaF2 in the 123…

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: What is the number of formula units in a 1.10 mol sample of CaO?

A: Given, Number of moles of CaO = 1.10 mol Number of formula units = ? Note: 1 mol of CaO contains…

Q: What is the molar mass of MgS04?

A: Molar mass can be calculated by adding the molar masses of all the species that are present in the…

Q: Acetone is a well-known industrial solvent with a molecular formula of: C3H60. Calculate for its…

A: