A compound is found to contain 34.60 % chlorine , 46.85 % oxygen , and 18.55 % fluorine by mass. To answer the question, enter the elements in the order presented above. The empirical formula for this compound is ? . The molar mass for this compound is 102.5 g/mol. The molecular formula for this compound is ?

Q: How many carbon atoms are in a diamond (pure carbon)with a mass of 38 mg?

A: The mass of diamond is 38 mg The molar mass of carbon is 12.01 g mol-1

Q: (Review Topics] [Refe Use the References to access important values if neede A compound is found to…

A:

Q: The percent copper in an unknown copper compound is 21.60 %. What is the formula weight of the…

A: Given,percentage of Cu=21.60%Molar mass of Cu=63.5g/mol

Q: 47: Determine the number of moles of molecules (or formula units) in each sample. 38.2 g sodium…

A: Answer 47 :- In this question we have to find out number of moles in each sample . Number of moles…

Q: Electrons may transfer from  a) atoms of barium to atoms of chlorine b)atoms of sodium to atoms of…

A: We have to predict the option for which  electron transfer is possible.

Q: on Show the mechanism of that ои Br2 подс Њ Br OH Br reaction

A: This reaction is the halogenation reaction of thiophene.Halogenation occurs at the alpha position.

Q: How many moles of tin atoms are in a pure tin cup with mass of 38.1 g? a

A: Given data: The mass of tin atoms = 38.1 g. To find: The number of moles of tin atoms.

Q: The percent copper in an unknown copper compound is 22.00 %. What is the formula weight of the…

A: One mole of a substance is equal to as many entities (atoms , molecules , ions ) as there are number…

Q: A compound is found to contain 68.11 % carbon, 13.75 % hydrogen, and 18.15 % oxygen by mass. To…

A:

Q: a. How many ATOMS of boron are present in 4.74 grams of boron trifluoride? atoms of boron. b. How…

A: Note: As per the guidelines, solution of first question has been made. For the expert solution of…

Q: A compound is found to contain 68.11 % carbon, 13.75 % hydrogen, and 18.15 % oxygen by mass. What is…

A:

Q: 1. The formula for ibuprofen is C13H1802. How many moles of ibuprofen are present in 250.0-mg…

A: Here, we can answer only the first question which allows us to determine the number of moles of…

Q: An oxide of iron is found to be 70% iron by mass, what is the empirical formula for this compound…

A: An oxide of iron is given that has the following mass % compositions: Mass percentage Fe =70 % Mass…

Q: Suppose that a compound containing copper and chlorine contains 0.01139 moles of copper and 0.03813…

A: According to the question:  moles of copper in compound = 0.01139 moles moles of chlorine in…

Q: A compound is found to contain 64.80 % carbon , 13.62 % hydrogen , and 21.58 % oxygen by mass. **To…

A: Given data: Mass percentages: Carbon =64.80 % Hydrogen=13.62%  Oxygen= 21.58 % The molar mass for…

Q: Using the average atomic mass, calculate the mass in grams of 292 mol of Iron

A:

Q: 2. The rubbing alcohol was found to have 60% carbon, 13.4 % hydrogen, and the remaining percent by…

A:

Q: Calculate the number of phosphorus atoms in 0.9 g of phosphorus.Answer in units of atoms.

A: Given,Mass of phosphorus = 0.9 gMoles of phosphorus can be calculated as:

Q: A compound is found to contain 39.12 % carbon , 8.772 % hydrogen , and 52.11 % oxygen by mass. To…

A: We have to predict the empirical formula and the molecular formula.

Q: substance with a molar mass of 231.40 g/mol is made up of 72.30% Fe, and 27.70% Oxygen. The…

A:

Q: A white powder is analyzed and found to contain 43.64% phosphorus, and 56.36% oxygen by mass. The…

A: Given: Percent by mass of P = 43.64 % Percent by mass of O = 56.36 % And molar mass of compound =…

Q: alculate reduced molar mass (in g/mol] for two particles with masses 30.4 g/mol and 57.7 g/mol. Note…

A: Given mass of particle 1(m1) = 30.4 g/ mol Mass of particle 2(m2) = 57.7 g/ mol Reduced mass =?…

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: A 6.791 gram sample of chromium is heated in the presence of excess bromine. A metal bromide is…

A:

Q: the number of iron atoms in 125 moles of iron

A: Number of moles of iron=125mol Number of iron atoms=?

Q: 11

A:

Q: A compound is found to contain 3.622 % carbon and 96.38 % bromine by mass. To answer the question,…

A:

Q: The percent copper in an unknown copper compound is 27.40 %. What is the formula weight of the…

A: Given: % of Cu in compound = 27.40 % Mass of Copper (1 mole) = 63.546 amu

Q: Use the References to access important values if needed for this question. A 12.57 gram sample of…

A: Mass of Chromium = 12.57 g Heated in excess Fluorine  Metal Fluoride formed  = 21.76 g Molar mass of…

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: Consider 1.00 g of Copper (Cu) metal. How many Cu moles are present in this sample? How many Cu…

A: Since moles of element = mass of element / Atomic mass of element  Atomic mass of Cu = 63.5 g/mol…

Q: Determine the number of neon atoms in a lamp that contains 20.17 g of neon gas sample.

A: Given mass of Neon gas = 20.17 g Number of atoms in given mass of Neon = ?

Q: True

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

Q: When one formula unit of iron (III) sulfide decomposes into elemental iron atoms and sulfur atoms,…

A: The formula of iron(III) sulfide is: Fe2S3   The decomposition  reaction is: Fe2S3   → 2 Fe  + 3 S

Q: Glycine is an amino acid with the formula C, H,NO,. Determine the number of moles of carbon in 49.24…

A:

Q: Consider a 23.5 g sample of the compound diphosphorus pentabromide Using the formula P.Br, determine…

A: Given, Chemical formula of diphosphorus pentabromide: P2Br5 Molar mass of diphosphorus pentabromide…