PART 2: MOLES, ATOMS, AND COMPOUNDS Use the information in the table below to answer the questions that follow. Compound А B C Grams of Metal in Sample of Compound 15.00 25.00 15.00 Grams of Nonmetal in Sample of Compound 8.969 14.95 ? Formula of Compound CuX₂ ? CuX up The table above shows three potentially different compounds (A, B, and C) made of copper and the unknown element X. Answer questions about these compounds below, clearly showing calculations in each case. (a) Determine the number of moles of Cu and the number of moles of X in compound A. Clearly distinguish which is which in your calculations.

Q: How many molecules are in 0.430 moles of Neon gas?

A:

Q: What is the mass of 4 moles of helium, He

A: A mole is a unit of measurement in chemistry that represents a certain number of atoms or molecules.…

Q: Gold is a precious metal . how many atoms of gold are in a grainof gold?

A: Given,  Gold is a precious metal . how many atoms of gold are in a grain of gold = ?

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: How many copper atoms are in 6.9 moles of copper

A:

Q: A 2.25 g sample of Ammonium carbonate contains how many moles of ammonium carbonate? Molecules of…

A:

Q: How many oxygen atoms are in 0.68 moles of acetic acid ?

A: The number of moles of acetic acid is = 0.68 mole The number of oxygen atoms in this amount is =?

Q: How many chlorine atoms are present in 6.62 moles of diatomic chlorinet Cive your answer in…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

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: Record the number of each atom in the molecule, then record the total number of atoms in the…

A:

Q: I

A: When you see the compound then this compound is formed from number of atoms they will same or…

Q: Compare your molar mass to the following list think is you unknown metal: omal zinc tin platinum…

A: Required to calculate total heat produced by food burned by using the equation: (1calg.oC)(∆T)(mass…

Q: Determine the number of atoms in 30.0 g of S.

A: The given mass of S is 30.0 g The molar mass of S is 32 g The conversion of mass to moles can be…

Q: How many chlorine atoms are in 31 molecules of chloroform

A:

Q: A 24.8 g sample of water contains how many water molecules?

A: Molar mass of water = 18 gWe have 24.8 g water no of moles of water = 24.8 g18g/mol…

Q: How many atoms are in 0.0015 mole of copper

A: In this question, the number of moles of copper is provided. The number of atoms present in the…

Q: how many carbon atoms are, hyrdrogen atoms, oxygen atoms, and nitrogen atoms are in this molecule?

A: The molecule given in the question is a hydrocarbon compound which has heteroatoms (O and N).…

Q: 2.0 of methane to molecules

A:

Q: how many chlorine atoms are in 27 molecules of chloroform, CHCl3.

A: The molecular formula of the compound given is CHCl3.

Q: How many hydrogen atoms are in 12.64 moles of heptane?

A:

Q: 1 mole of Pure Alcohol (ROH) having three carbon atoms. What is its percent composition?

A: The given organic compound is Pure Alcohol. Number of moles of Pure Alcohol = 1 1 mole of given…

Q: The total number of atoms in NaCI

A: The number of atom of an element in its molecules is known as atomicity. SodiumChloride or NaCl is…

Q: How many atoms of He are in 2.59 moles of He? In scientific notation

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

Q: How many atoms is 88.87 moles of zinc

A:

Q: Regular treatment with low dose aspirin is used to help prevent cardiovascular disease. How many…

A: mass of aspirin = 240. mg = 0.240 gMolecular formula of aspirin: C9H8O4Note: molar mass of aspirin…

Q: Draw the structural condensed form of 3-ethyl-4-methyl-1-pentene.

A: The structural formula is the representation of all the atoms and their bond with other atoms of a…

Q: how many formula units in 7.69 grams of MgO

A: The formula unit is used to define the empirical formula. So we are basically asked to find how many…

Q: How many moles of carbon atoms are in one mole of carbon dioxide?  how many moles of oxygen are in…

A: Moles can be calculated using the mole ratio.  For mole ratio we check the number of atoms in given…

Q: what is the formula mass of calcium nirate? ( round to a whole number)

A: To Write the formula of a chemical compound. first write the Symbol of cation and then write the…

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: A sample of carbon tetrachloride has a mass of 51.6 grams how many moles are contained in the sample

A: Number of moles of a substance can be determined using its mass and molar mass using the equation…

Q: How many molecules are found in 16 ounces of propane with a mass of 453 g?

A:

Q: Calculate the number of particles in each of the following. Part A. 0.146 mol carbon atoms, C.…

A:

Q: 3 molecule(s) of dinitrogen pentoxide contains: How many oxygen atoms? How many total atoms?

A: The molecular formula of dinitrogen pentoxide is N2O5

Q: Determine the empirical and molecular formulas for the given compound, which contains 72.41 percent…

A:

Q: How many formula units are in 0.761 g of iron(III) nitrate?   A. 1.89 x 1021 f.u.   B. 3.13 x…

A: Interpretation: The amount of formula units are in 0.761 g of iron(III) nitrate is to be calculated.