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

Q: how many moles of propylene are in 2.5 g of the substance?

A: Given:given mass of propylene =2.5gwe know thatThe Molecular Formula of Propylene = C3H6 So,…

Q: a. How many moles of phosphorus trichloride are present in 7.95 × 1022 molecules of this compound?…

A:

Q: Calculate the molar mass of each substance. (show solution) H3PO4 CaCO3 (NH4)2SO4 C4H9O2

A: Molar mass means the masses of all the atoms in the moleculeadded together.

Q: How many atoms of C are in a sample 1.0 mol sample of C7H16C7H16? 9.73⋅10249.73⋅1024…

A: We have asked for the number of carbon atoms in 1 mole of C7H16

Q: 2. A compound contains 76.56% C, and 6.43% H. The molar mass of the compound is 282.0 g/mol.…

A:

Q: 1. Complete the table below: Name Formula Molar Mass (include units!) sodium sulfate C3N4 magnesium…

A: This question is related to nomenclature part of chemistry. The name of compound is written using…

Q: Which of the following could only be an empirical formula? N2H4 N2O4 .N2H6. N2O5

A: Empirical formula of a compound is defined as the formula of a chemical compound in which atoms are…

Q: a. How many molecules of carbon dioxide are present in 3.99 moles of this compound? molecules b. How…

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

Q: . Determine the empirical formula of a compound with the following mass percent composition: 8.88%…

A:

Q: A compound contains 2.4 moles of carbon and 3.6 moles of oxygen. What is the percent composition by…

A: Given that A compound contains 2.4 moles of carbon and 3.6 moles of oxygen. The percent composition…

Q: Use the a. How many moles of sulfur atoms are present in a sample that contains 1.45 moles of…

A: To calculate moles from given moles, we need to use the mol to mol ratio for molecule to the…

Q: a. How many molecules of dinitrogen monoxide are present in 4.63 moles of this compound?…

A: a) Given : Moles of dinitrogen monoxide i.e N2O = 4.63 mol.

Q: determine the numbers of moles or molecules (or formula units) in each sample: A) 34.0 g sodium…

A: The answer to the following question is given as:

Q: A sample of N20 contains 1.10x1024 molecules. How many moles of N20 are present? mol Find the mass…

A: Molecules of N2O = 1.10×1024 Molar mass of N2O = 44g/mol  Avogadro number = 6.023×1023

Q: 1. How many moles of Na are there in a sample that contains 6.16×1022 sodium atoms? moles 2. How…

A:

Q: omplete the folowing sentences. 1. How many hydrogen ions (H+) are in a mole? . 2. What is the mass…

A: Fill in the blanks

Q: Calculate the number of moles in each sample. 74.9 g H2CCl2   n(H2CCl2)=??

A: Given, 74.9 g of dichloromethane.

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: . The formula for ibuprofen is C3H1O2. How many moles of ibuprofen are present in 250.0-mg tablet?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Phosphorus pentachloride is a white solid that has a pungent and unpleasant odor. Determine the…

A: Step 1:Step 2:Step 3:

Q: The amino acid alanine has the molecular formula C3H7NO2, and the amino acid phenylalanine has the…

A: Number of atoms in 1 molecule of alanine = 13 atoms Number of atoms in 1 molecule of phenylalanine =…

Q: The amino acid serine has the molecular formula C3H7NO3, and the amino acid lysine has the molecular…

A: Moles of serine = 57 mol

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: How can the number of grams of a compound be converted to the number of moles of the compound?  a.)…

A: In Chemistry, one mole of a substance is defined as the amount of the substance that contains…

Q: How do you convert the following number of atoms to moles and moles to atoms as needed to get a, b,…

A: we know  that  n=no of molecules or atoms/NA NA = 6.023 ×10 23

Q: Which sample contains the largest number of chlorine atoms? 10.00g of copper (II) chloride 10.00g…

A:

Q: 2. Consider the compound potassium hypochlorite. a. Write out the formula for potassium…

A: 2. We have to answer the following questions Write the formula of the potassium hypochlorite.…

Q: A crime scene investigator finds a 3.5 g (C10H14N2) sample of nicotine and sends it to the lab for…

A: Please find the attachment.

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: 3N22SO4 # of molecules: # of elements:

A: The name of Given molecule is sodium sulphate. So the molecular formula is Na2SO4 . Therefore number…