4. a. Çalculate the empirical formula: 73.14 % C, 7.37 % H, and 19.49 % O.

Q: 7 Calculate the number of moles of OCI?

A: 1

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: Calculate the percent composition by mass of cach element in AIKOH),. Use at least three significant…

A: Following are the atomic masses of the atoms in Al(OH)3: atomic mass:Al = 27 g/molO = 16 g/molH = 1…

Q: 2 Mg(s) + 3 N2 (g) --> 2 MgN3 (s) How many moles of N2 will be used to produce 115 grams of MgN3?

A: The given reaction is,             2 Mg(s) + 3 N2 (g) --> 2 MgN3 (s) We have, mass of MgN3 = 115…

Q: What is the empirical formula for a compound that is comprised of 54.0% Sodium, 8.50% boron and…

A: The simplest formula or the empirical formula provides the lowest whole number ratio of atoms…

Q: Ibuprofen, an aspirin substitute, has a mass percent composition of 75.69% C, 8.80% H, and 15.51% O.…

A: Given,Mass percent composition of 75.69% C, 8.80% H, and 15.51% O.Molar mass of carbon =…

Q: Which of the following is NOT an empirical formula? A MoO,Cl, B BeCr207 C c C2N2H8 C3H3O

A: The empirical formula is the simplest whole-number ratio of all the atoms present in a molecule.

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: Nicotine is a poisonous, addictive compound found in tobacco. A sample of nicotine contains 6.16…

A: Divide each number by the smallest number 0.57 to obtain a whole number ratio We get 10C 12H 2N 1O

Q: 2 Agl + Nazs → Ag2S + 2 Nal O 6.00 moles O 1.00 moles O 2.00 moles O 3.00 moles

A: Moles of AgI = 2.00 moles Moles of Na2S = 3.0 moles

Q: 3.4.4 Determine the empirical formula of a compound that has the following composition: 48.6 percent…

A: Empirical formula represents the smallest whole number ratio of the atoms in a molecule.

Q: 3) What kind of formular is C,H,O2 consider as? A) Empirical formula B) Moleculr formula C)…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…

Q: 8.3.01 x 1023 CH₂O molecules moles CH₁₂0 9. 1.00 x 1025 Na atoms moles No

A: Here, we have to find the number of moles of C6H12O6 in 3.01×1023 C6H12O6 molecules and the number…

Q: 8. Which of thollowing could NOT be an empirical formula? CUSO4 5H2O O A2O3 O C2H6 O H;PO4

A: Empirical formula: Empirical formula is defined as the  simplest, positive, whole number ratio of…

Q: The characteristic odor of pineapple is due to ethyl butyrate,a compound containing carbon,…

A:

Q: From the previous question convert 159.8 of Br2 to moles of Br2 O 1 mole of Br2 O 3 moles of Br2 O 2…

A: Molar mass of Br2 = 159.8 g/mol Moles of Br2 = mass of Br2 in g / Molar mass of Br2 in g/molGiven…

Q: A compound is found to contain 58.80 % xenon, 7.166 % oxygen, and 34.04 % fluorine by mass. What is…

A: Given - % composition by mass of  following elements 58.80 % xenon 7.166 % oxygen 34.04 % fluorine…

Q: O Naphthalene (128.164 g/mol) H. H. H. O Acetic acid (59.04 g/mol) H-C-C HICI

A:

Q: 3.111 A sample of a compound of Cl and O reacts with anexcess of H2 to give 0.233 g of HCl and 0.403…

A: The empirical formula of the compound has to be given, Solution: The molar mass of HCl is…

Q: Convert 2.5 moles of silver to atoms. O 4.02x1025 atoms O 1.51x1024 atoms O 7.51x1023 atoms O…

A: Answer: option b) 1.51 × 1024 atoms

Q: Copper(II) fluoride contains 37.42% F by mass. Calculate the mass of fluorine (in g) in 55.5 g of…

A:

Q: A- Balance The Equation NO2(g) + H2O(I) -- HNO3(1) + NO(g) B- What is formula -- --- mass of K2Cr207…

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

Q: An organic compound consists of carbon, hydrogen and nitrogen only. Complete combustion of a 150. mg…

A:

Q: What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and…

A: The empirical formula is the simplest possible ratio of all the atoms present in a chemical…

Q: 37 x 1019 molecules CH3NH2 contains how many moles of carbon?  CH3NH2 (g) +   O2 (g) →   CO2 (g) +…

A: Since given molecular formula of compound is CH3NH2 which shows that it has one caron atom or one…

Q: A major textile dye manufacturer developed a new yellow dye. The dye has a percent composition of…

A: Given that, the percentage of C is 75.95% , percentage of N is 17.72% and the percentage of H is…

Q: What is the empirical formula for a compound if 100 g of it contains 20.718 g B, 61.386 g C, and…

A: In the given question we have to calculate the empherical formula of compound. total mass of…

Q: A compound was decomposed and determined to be 51.27 % C, 7.75% H and 40.98 %O  by mass.  What is…

A: Given  C%   = 51.27 % H     = 7.75 %  O     = 40.98 %  Subscript of Carbon in Empirical Formula   =…

Q: N2(g) + 3 H,(g)→2 NH;(g) How many moles of NH, can be formed from 3.0 mol of N, and 6.0 mol of H,?

A: Given reaction is : N2 (g) + 3H2 (g) ---------> 2NH3 (g)  Moles of N2 = 3.0 mole  Moles of H2 =…

Q: How many moles of propylene (C;H6) are in 25.0 g of the substance?

A: Given :-  Mass of C3H6 = 25.0 g  To calculate :-  Number of moles of C3H6

Q: An unknown compound has a formula CxHyOz. You burn 0.1705 g of the compound and isolated 0.4163 g of…

A: given value : given mass of (i) carbon dioxide = 0.4163 g (ii) water = 0.1074 g (iii) unknown…

Q: 4. How many Mg atoms are in 3.24 moles of Mg? Starting amount (moles) Conversion Factor Ending…

A:

Q: Molar Masses A = 17.813- mole D = 41.486- mole E = 33.011- mole Y = 19.280 X = 255.691 mole Z =…

A: Given that -  Molar masses of elements are -  A = 17.813 g/mole D = 41.486 g/mole E = 33.011 g/mole…

Q: What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and…

A: We have to calculate the empirical formula .

Q: A compound is determined to be 51.8% chlorine, 1.47% hydrogen, and 46.7% oxygen by weight. The…

A: Welcome to bartleby ! Introduction : We have to calculate the molecular formula .

Q: On a weight basis, a compound is 39.1% car- bon, 52.2% oxygen and the rest is hydrogen. What is the…

A:

Q: A sample of a pure compound contains 68.4% chromium and 31.6% oxygen by mass. What is the empirical…

A: Let the mass of the pure compound be 100 g. Thus, mass of chromium in the compound is = 68.4 % x 100…

Q: A sample is found to contain 66.8 % NaHCO, by mass. What is the mass of NaHCO, in 4.25 g of the…

A: Mass by mass percentage (w/w) When mass of solute in a solution is expressed in grams of solute in…

Q: Calculate the folowing   1-number of atoms in 6.54 g Be =37 x 1023 atoms 2-number of atoms in 28.0…

A: Number of Moles = (Mass of the Sample)/(Molar Mass)   Number of Atoms or Molecules = (Number of…

Q: Ascorbic acid (vitamin C) contains 40.92% C, 4.58% H, and 54.50% O by mass. What is the empirical…

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

Q: Vitamin C contains 40.92% C, 4.58% H, and 54.5% O by mass. What is the empirical formula of vitamin…

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

Q: A compound is found to contain 83.60% C and 16.40% H. What is its empirical formula ?

A: Given: Compound is found to contain 83.60% C and 16.40% H. Let us consider the mass of compound be…

Q: What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and…

A:

Q: A) 3.90 g H2O   mole (B) 6.44 g benzene, C6H6   mole (C) 32.00 g ethyl alcohol, C2H5OH   mole (D)…

A: Molecular weight amount of any compound contains avogadro number of molecules andit is termed as 1…

Q: Ninhydrin's composition is 60.68% carbon, 3.40% hydrogen and 35.92 oxygen. What is the empirical…

A:

Q: 3 Calculate the percent composition by: C,H13NsO. mass of each element present in the compound.

A: Percent composition(% composition) by mass of each atom is defined as the percent ratio of the molar…

Q: How to calculate moles of 65.85g Ca (OH) 2

A:

Q: 2. Convert 0.075 g of Pb to moles of Pb

A: Number of moles in the given amount(in grams) of sample is obtained by dividing the value by its…

Q: Answer true or false. (b) Avogadro’s number, to three significant figures, is 6.02 x 1023 formula…

A: Given statements -  (b) Avogadro’s number, to three significant figures, is 6.02 x 1023 formula…

Q: 8. A chemical compound is determined to have a percent composition of 23.54% C, 1.976% H, and 74.48%…

A: The empirical formula of a compound shows the number of atoms in terms of the smallest whole number…