Complete the following based on the chemical Compound, lead (IV) selenite 术 a How many selenium atoms are present in 12.47 g of the compound? b. How many moles of oxygen are present in 1 mole of the compound? C. How many moles of oxygen are present in 1 formula unit of the compound?

Q: A sample of an unknown compound with a mass of 0.847 g has the following composition: 50.51 %…

A: Given, Mass of the compound = 0.847 g Percent mass of fluorine in the compound = 50.51 % Percent…

Q: ) A 15.5g sample of Aluminum would be equal to how many moles? ) How many atoms are in 3.5 moles of…

A: Since you posted multiple parts so I have tried to solve maximum.

Q: a. How many moles of disulfur decafluoride, S₂F10, are present in 2.98 grams of this compound? moles…

A:

Q: The formula for sulfur dioxide is SO2. a. How many grams of sulfur are present in 1.28 moles of…

A: We are given: The formula of sulfur dioxide = SO2. The molar mass of SO2 , (M)= 64 g/mol. The molar…

Q: How many hydrogen atoms are in 790.58 grams of propane?

A: The moles of a substance is the mass of the substance which has equal quantity of basic units. The…

Q: How many grams of silicon are present in 2.78 moles of silicon dioxide?

A: Recall the data, moles of SiO2=2.78 moles mass of Si=?

Q: here is 1.7 moles of the ionic compound FeCl3 How many moles of Cl- ions are there? a)1.024 x 10 to…

A: Ionic compound is that which is composed of anions and cations. A mole is the amount of substance…

Q: 1. How many MOLES of sulfur dioxide are present in 2.15 grams of this compound? moles. 2. How many…

A:

Q: a. How many moles of sulfur hexafluoride, SF6, are present in 1.87 grams of this compound? moles b.…

A: • Thus, 0.0128 moles of sulfur hexafluoride are present in 1.87 grams of this compound in correct…

Q: How many GRAMS of sulfur hexafluoride are present in 9.83×1022 molecules of this compound ?

A: Given : Compound is sulfur hexafluoride i.e SF6. And number of molecules of SF6 = 9.83 X 1022…

Q: 4. Determine the number of atoms present in 7.85 moles of carbon. C

A:

Q: 1. Calculate the mass of carbon in a 1-carat diamond that contains 7.56 × 1022 atoms of carbon.

A:

Q: How many Oxygen are in 6.913x10^23 molecules of nitroglycerin C3H5N3O9?

A: Given question is checking our mole concept principal. In this question, number of molecules of…

Q: A compound composed of 93.7% carbon and 6.3% hydrogen, by mass, has a molecular mass of 128 amu.…

A: The percentage composition of each element is given in the question. Calculate the empirical formula…

Q: 5) Given the molecular formula C6H1004, what is this compound's empirical formula? A) CH2O B) C2H50…

A: Since in the empirical formula, the ratio of atoms are the smallest whole numbers. And since in the…

Q: How many grams of Ar are there in 4.28 moles of Ar? How many grams of Xe are there in a sample of…

A: (1) Atomic mass of argon gas is = 39.948 u While given moles of argon = 4.28 moles Then, by…

Q: The chemical formula for glucose is: C,H1206 How many carbon atoms are in each molecule of glucose?

A: The formula of glucose is given as C6H12O6.

Q: Explain the problem with this statement and correct it: “The chemical formula for ammonia (NH3)…

A: A chemical formula identifies each constituent element by its chemical symbol and indicates the…

Q: For a sample of Carbon that contains 2.41 x 1022 atoms, calculate: • number of moles of carbon in…

A: Introduction: Mole is the amount of substance that contains 6.022×1023 respective particles of that…

Q: How many moles of sulfur dichoride are present in 3.82 grams of this compound?  how many grams of…

A: given 3.82 grams of sulfur dichorideMolar mass= 102.97 g/mol102.97 gm of sulfur dichoride= 1 mole of…

Q: How many hydrogen atoms are in 27 molecules of diborane, B₂H₆?

A: The molecular formula of diborane is B2H6 We need to find number of hydrogen atoms present in 27…

Q: A sample of C3H8C3H8 has 4.48×1024 H4.48×1024 H atoms. How many carbon atoms does the sample…

A:

Q: For 2.526 g of a compound containing only copper and oxygen, CuxOy, a student found that it…

A: From the mass of compound and mass of Cu ,we can determine the mass of oxygen. Then using molar mass…

Q: 1. How many MOLES of sulfur dioxide are present in 1.89 grams of this compound ? moles. 2. How many…

A: We must know the formula before doing the problem  That number of moles =weight of molecules present…

Q: A.How many moles of boron tribromide are present in 5.93 x 10^22 molecules of this compound?…

A: The molar mass of bromine tribromide  (BBr3) is 250.52 g/mol .

Q: The Cullinan diamond was the largest natural diamond ever found (January 25, 1905). It weighed 3104…

A: The number of carbon atoms present in Cullinan diamond weighed 3104 carats is calculated in step…

Q: 1. How many MOLES of carbon tetrachloride are present in 1.11 grams of this compound ?

A: Since we know that  Number of moles of the compound =( mass of the compound / molar mass of the…

Q: 1. How many GRAMS of copper(I) nitrite are present in 2.63 moles of this compound ?  grams. 2. How…

A: Mass of compound (W) = moles of compound (n) x molecular mass of the compound (M) W= n x M

Q: Vitamin A has the molecular formula C20H300. How many carbon atoms are in 6.02 x 1023 molecules vit…

A: As molecular formula of vitamin A is C20H30O . Thus in one vitamin A molecule  has 20 carbon atoms .…

Q: 1. How many GRAMS of sulfur are present in 3.03 moles of sulfur dioxide ? grams. 2. How many MOLES…

A: 1. Given that:  Moles of sulfur dioxide(SO2) = 3.03 moles Molar mass of S = 32g/mol Molar mass of O…

Q: Popol learns in his biology class that human body is approximately 9.5% carbon. How many moles of…

A: Given 9.5% mass percentage. Using this wa can calculate mass of carbon and then moles.  Further…

Q: How many carbon atoms are in 36.03 g of carbon?

A: Given 36.03 g of Carbon  To find Number of atoms in the given carbon sample

Q: Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4, of mass 22.0 mg.

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: 009 (part 1 of 4 chemist measured out 8.25 g of copper(II) romide tetrahydrate (CuBr2 · 4 H2O). How…

A: Molar mass of CuBr2.4H2O=295.4151 g/molNo, of Oxygen atoms present in the molecule =4Mass=4×(16…

Q: An aspirin tablet contains 81.0  mg of aspirin, which has the molecular formula, C9H8O4. How many…

A: The molar mass of aspirin is 180.16 g/mol. The amount of aspirin in the units of mol in 81.0 mg of…

Q: 2. How much (mass) carbon dioxide will be produced from the combustion of 40 grams of methane?. 3.…

A:

Q: 1. How many GRAMS of barium fluoride are present in 2.28 moles of this compound ? grams. 2. How many…

A: For any given element or compound moles of any substance is the ratio of mass taken of that…

Q: Octane (C8H18) is a primary component of gasoline. If you fill a beaker with 2.00 moles of octane,…

A:

Q: 83. Many famous “rubies” are in fact spinels, which look like rubies but are far less valuable.…

A: Few questions based on mole concept, which are to be accomplished.

Q: 1. How many MOLECULES of sulfur dichloride are present in 1.29 grams of this compound ? molecules.…

A: By definition, moles (n) are related to mass (w) and number of particles (N) as follows: n = wM =…

Q: A.How many grams of calcium carbonate,CaCO3,are present in 2.06 moles of this compound? B.How many…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: For 2.634 g of a compound containing only copper and oxygen, CuxOy, a student found that it…

A: We have to calculate the moles of oxygen.

Q: 1. How many GRAMS of lead(II) phosphate are present in 3.99 moles of this compound ? grams. 2. How…

A:

Q: 4. Cane sugar (C12H22011) is a white, odorless, crystalline powder with a sweet taste. What is the…

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If…

Q: Which one of the following statements about the compound C3H4 is CORRECT? Oa. One mole of C3H4…

A:

Q: 2. Calculate the number of atoms in:   b) .23 mole gold, Au

A: Atoms are the smallest unit or the basic units of matter. It defines an element. Gold is an element…

Q: how many moles of fluorine are present?

A: 1 mol = 6.022 × 1023 atoms  Number of moles = mass/molar mass  Mass = number of moles × molar mass…

Q: A.How many moles of boron tribromide,BBr3,are present in 3.15 grams of this compound? B.How many…

A:

Q: The molecular mass of a compound containing 75.0 % carbon, 10.5 % hydrogen, and 14.6 % nitrogen is…

A: given 75.0 %  C 10.5 %H  14.6 %N molecular mass 384.6.