How many atoms of iron are there in 2.46  moles of each of the following? 1.) wolframite, FeWO4 ______ atoms Fe  2.) pyrite, FeS2 _____ atoms Fe  3.) magnetite, Fe3O4 ______ atoms Fe  4.) hematite, Fe2O3 ____ atoms Fe

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: 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: Methyl butyrate is a compound that is partially responsible for the flavor of apples. It consists of…

A:

Q: Using scanning tunneling microscopy, scientists at IBM wrote the initials of their company with 35…

A: The product of the number of moles and Avogadro's Number is equal to number of particles in a…

Q: Please provide all the work in detail because I will be using this to study

A: Amount of C = 0.532 g Number of mol of C = given mass / molar mass = 0.532 g / 12.011 g/mol = 0.044…

Q: A sample of Ca3(PO4)2 contains 3.51 moles of calcium ions. How many moles of Ca3(PO4)2 are in that…

A: • Given,     Molecule = Ca3PO42 .    Number of moles of Ca+2 = 3.51 mole.    We know,    Ca3 PO42 →…

Q: element b forms a chloride BCl3 containing 46.62% chlorine by mass. what is the identity of this…

A: Consider the molecular mass of the compound BCl3 which is formed by the combination of an unknown…

Q: Two moles of (NH4)2Fe(SO4)2-6H2O contains moles of sulfur atoms. O a. 2 O b.4 O.1 O d. 6 O e. 8

A: The moles of NH42FeSO42.6H2O is = 2 moles The moles of sulfur atom is =?

Q: he compound cisplatin is a chemotherapy drug. The chemical formula of cisplatin is PtCl2(NH3)2. How…

A: In international system of units, seven basic units are present which help us to find the physical…

Q: Q7. How many moles of sulfur atoms are there in 3.0 moles of Al2(SO4)3? A. 12.0 B. 3.0 C. 4.0 D. 1.0

A:

Q: How many atoms of titanium are there in  0.570 mole of each of the following? ( In Ti atoms)   a.…

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

Q: SUIFIte Fe(CIO3)2 IRON Chiorate CORbon divulti de CS2 StRontium hydkoxide dinitRogen tetkoxide…

A: A table with incomplete information, which is to be completed.

Q: 31. The empirical formula of C&H1206 is b. CH20 a. CHO c. C3H20 d. CHO2 32. What is the molecular…

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

Q: 1, A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A: From percentage composition by calculating no. Of moles we can calculate empirical formula .

Q: 16 How many moles of oxygen atoms are in 7.58 moles of V(SO4)3?

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

Q: Be sure to answer all parts. What is the mass, in g, of 1.28 x 10 silver (Ag) atoms? Enter your…

A: Given, atoms of Ag = 1.28 x 1011 atoms Molar mass of Ag = 107.87 g/mol

Q: How many oxygen atoms are there in a formula unit of UO 2(C 2H 3O 2) 2 • NH 4C 2H 3O 2 • 5H 2O?   a.…

A: one molecule of O2 contains 2 atoms of oxygen

Q: Upon burning Mg in air, magnesium oxide and magnesium nitride are formed. The correct statement…

A: The correct statement about magnesium nitride is given below

Q: How many Chromium atoms are present in a 5.00 mole ?sample of Al2(Cr207)3 None of them x 1024 9.03 x…

A: We have given that 1 mole of Al2(Cr2O7)3 contain 6 mole of chromium  Avogadro's number is defined as…

Q: Describe in detail the concept of mole in Chemistry and how it relates to Avogadro's number?

A: Avogadro's number is 6.023×1023

Q: Two compounds have the same composition: 85.62% C and 14.38% H. a. Obtain the empirical formula…

A: Given:  Composition of C = 85.62% Composition of H = 14.38%

Q: 1. How many atoms are in 4.37 mol of carbon-12? 2. How many grams does this much carbon-12 weigh?

A:

Q: an ingredient in some sunscreens is composed of carbon (61.31%), hydrogen (5.14%), nitrogen…

A: • Since, we are having mass per cent, it is convinent to use 100 g of the compound as the starting…

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: Determine the formula weights of each of the following compounds: (a) H2S; (b) NiCO3; (c)…

A: For calculating the formula weight, add the molecular mass of all atoms with the no of atoms present…

Q: 4. An element “X* has five major isotopes, which are listed below along with their abundances. What…

A: We are having an element X having five isotope along with their abundance and mass . We have to…

Q: A.)If 4.76  mL of seawater contains about 5.46×10-14  moles of gold, how many atoms of gold are in…

A: Given, A.)If 4.76  mL of seawater contains about 5.46×10-14  moles of gold, number atoms of gold are…

Q: Determine the number of atoms of O in 27.9 moles of Na₂Cr₂O₇

A: Given the number of moles of Na2Cr2O7 =27.9 moleswe are asked to calculate the number of atoms of O…

Q: having a hard time with match the formula am i correct can some explain whatbi dis wrong if i was…

A:

Q: The molar mass of an element is numerically equivalent to what? b. 1 mole a. 1 amu c. its atomic…

A: Molar mass is the sum of mass of all atoms and the unit of the molar mass is grams or g

Q: w many moles of calcium atoms do you 1021

A: Given, No. of atoms = 6.22×1021 atms To calculate the number of moles of calcium.

Q: What is the empirical formula of a compound that contains only iron and oxygen and is 22.27% oxygen?…

A: Given: The compound contains 22.27 % oxygen.

Q: The best fertilizer is analyzed for its nitrogen content fertilizer rating). NH4NO3 and (NH 4 )2SO4…

A: An atom is the smallest substance that determines the identity and the properties of the element. A…

Q: How many O atoms are there in 87.4 moles of MnSO4?

A:

Q: What is the molar mass of Al2(C204)3? All answers have units of g/mol 318.02 145.98 54.99 226.01 O…

A: Answer :- 318.02 g/mol  The molar mass of Al2(C2O4)3 is 318.02 g/mol…

Q: 4. How many grams would 2.5 moles of magnesium (Mg) weigh? 5. How many grams would 10.0 moles of…

A: 4) Given : Moles of Mg = 2.5 mol Since atomic mass of Mg = 24.3 g/mol Hence mass of Mg = moles X…

Q: How many moles are in 2.16 × 1024 atoms of magnesium?

A:

Q: 1. How many ATOMS of sulfur, dichloride, SCI2? are present in 4.82 moles of sulfur atoms of sulfur

A: Given: Moles of SCl2=4.82 moles

Q: (3.8: Similar to For More Practice 3.13) Determine the mass of a sample of carbon monoxide…

A:

Q: Naturally occurring chlorine that is put in pools is 75.53 percent 35Cl (mass = 34.969 amu) and…

A: Given : There are total 2 naturally occurring isotopes of chlorine Mass of isotope 1 i.e 35Cl =…

Q: (3.10: Similar to Example 3.17 & 18)Find the empirical formula of a compound containing 36.86%…

A: The empirical formula of a compound does not give the definite proportions of the element in 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: Two moles of (NH4)2Fe(SO4)2-6H20 contains O a. 8 O b.4 moles of sulfur atoms. O d. 6 O e. 2

A:

Q: 2H6 11.2 mol H2O 5.10 g Au

A: The number of atoms in one molecule of acetic acid is 8. The number of atoms in three molecules of…

Q: How many atoms of Zinc are there in 0.750 moles zinc?

A: One mole of a substance contains 6.023×1023 atoms in it.

Q: How many oxygen atoms are in 29 molecules of sucrose, CH O ? 12 22 11

A:

Q: 16. A three (3.00) mole sample of K25 would have how many atoms of potassium? 3.61 x 1024 1.81 x…

A:

Q: 1. Calculate the number of grams in one mole of CaSO-7H2O ? (Atomic weight Ca-40 ,S=32 ,O=16 ,H=1).

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.