10. Write the chemical formula for each compound. C. copper(II) nitride 12. Write the chemical formula for each compound. a. iron(II) sulfate

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) H2 _?_ x1025 H atoms  (b) Ca(NO3)2 _?_ x1023 Ca2+ ions  _?_ x1024 NO3- ions  (c) N2O2 _?_ x 1024…

A: The mole is actually contains Avogadro’s number of particles in elements or compounds. Avogadro’s…

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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: How many molecules are in each sample? a. 6.5 g H,0 b. 389 g CBr, c. 22.1 g O, d. 19.3 gC,H10

A: a) 2.5g H2O = Mass of H2O = 6.5g Molar mass of H2O = 18g/mol The number of molecules can be…

Q: 1 Pb(NO3)2 + Na,SO4 → 1 PBSO, + NaNO3 - REACTANTS PRODUCTS Element / Polyatomic lon How Many?…

A: Balanced reaction is:  1 Pb(NO3)2 + 1 Na2SO4                            ----------> 1 PbSO4 + 2…

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A: Ans is B

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Q: A tube of toothpaste contains 0.76 g of sodium monofluorophosphate (Na2PO3F) in 100 mL. 1. What mass…

A: Given : Mass of sodium monofluorophosphate i.e Na2PO3F = 0.76 g

Q: a. calcium oxide b. potassium chloride c. mercury(I) oxide d. zinc fluoride e. barium hydroxide f.…

A: Note: As per our guidelines, we are supposed to answer only the first question (i.e. exercise 1).…

Q: Calculate the moles of Magnesium (Mg) present in 93.5 g of Mg?

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Q: A sample of C3H8C3H8 has 8.88×1024 H8.88×1024 H atoms. (1) How many carbon atoms does the sample…

A: We have given the sample that contain 8.88×1024 H atoms.   1 Mole of  C3H8≡  3 Mole of Carbon   and…

Q: 10. Mg3N2 + H2O -----> Mg(OH)2 + NH3 11. C3H8O + 02 -----> CO2 + H2O

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Q: Classify each compound as ionic or molecular. a. CO2 b. NiClz c. Nal d. PCl,

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Q: Calculate the percent mass of each element of a compound NaHSO3 = 23.0 g/mol; H = 1.008 g/mol; S =…

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Q: 24. The total number of sodium atoms in 46.0 grams of sodium is A. 3.01 x 1023 atoms B. 6.02 x 1023…

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Q: 26. Diamond is one form of elemental carbon. An engagement ring contains a diamond weighing 1.25…

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Q: 105: A drop of water has a volume of approximately 0.05 mL. How many water molecules does it…

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Q: 42. Aluminum + Hydrogen chloride → Aluminum chloride + Hydrogen 43. Phosphorus pentachloride + water…

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Q: Pre-lab Questions 1. A 4.00 g sample of a hydrate of nickel(II) bromide loses 0.793 g of water when…

A: Given:hydrated compound = NiBr2.xH2Omass of NiBr2.xH2O = 4.00gon heating,mass of water loses = 0.793…

Q: A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride: 2Li + F2 →…

A: First convert mass into mole by diving molar mass respectively Then Calculate limiting reagent by…

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Q: A compound consists of carbon and hydrogen. The molar mass of this compound is 44.1 g/mol. The…

A: Molecular formula of any compound can be determined by knowing the number of moles of each element…

Q: 9. Complete the columns in the table: formula: Sno2 P203 H3PO4(ag) calcium hydrogen name: chloric…

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Q: 2. Determine the number of molecules or formula units in each sample. a. 32.4 g of lead(II)…

A: Given: a). 32.4 g of Pb3(PO4)2(s). b). 48 kg of MoO3(s). The molar mass: Pb3(PO4)2(s).=  811.54…

Q: A 21.8 g sample of water contains how many water molecules? O 8.23 x 1023 molecules O 7.29 x 1023…

A: Here we have to calculate number of molecules of 21.8 gram of water sample-

Q: Analysis of a 39.8 g sample of water revealed a mass percent for lead of 4.87%. Calculate the number…

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

Q: 31. Write the formula for the compound formed when these elements are reacted a. Al and S b. Mg and…

A: a.) Al2S3  b) Mg3P2  c) Na3N

Q: nat is the mass in mg of one billion water molecules? a. 1.09 x 1016 mg b. 2.99 x 10-14 mg C. 2.99 x…

A: 1 mol of a molecule is equal to 6.023×1023 number of molecules. The number 6.023×1023 is called the…

Q: ) deh), Mg Br 2) $ CCH2)3 Mg Br + H2CO H20 3) $C CHa)g Mg Br +

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

Q: 59: Determine the number of moles of Cl in 2.7 mol CaCl2

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Q: 4 H20, HSO4 9. Bra HO HCI 1. ВН-THF 2. НО, НО Нао МСРВА CH;OH H2SO4 7

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Q: In chemistry, what is meant by the term “mole?” What is the importance of the mole concept

A: Mole is a unit to  express the mass, Number and volume of a Substance in Chemistry.  It is a bigger…

Q: Classify the types of matter below: Name Formula Picture  Atom (Y/ N) Molecule (Y/ N)…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: What is a mole? How is the mole concept useful in chemical calculations?

A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: Classify each compound as ionic or molecular.a. CF2Cl2 b. CCl4 c. PtO2 d. SO3

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Q: A drop of water has a volume of approximately 0.05 mL. How many water molecules does it contain? The…

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Q: 23 - Determine the molecular fomula of a compound that has a molar mass of 183 g/mol and an…

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Q: Br 1.Mg, Etz0 2. СO2 3. Но он OH Он A B D

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Q: A 43.0 g sample of hydrated cobalt (II) sulfite is heated resulting in anhydrous cobalt (II) sulfite…

A: We have given that   A 43.0 g sample of hydrated cobalt (II) sulfite is heated resulting in…

Q: A 10 gram sample of NaCl will have the same percent composition (percent by mass) of Na and Cl than…

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Q: Determine Δngasfor each of the following reactions:

A: The value of Δngas = (Sum of number of moles of gaseous products) – (Sum of number of moles of…

Q: Analysis of a 49.5 g sample of water revealed a mass percent for lead of 4.53%.  Calculate the…

A: Mass of water=49.5 gram Mass percent  for lead= 4.53 % Number of grams of lead=?

Q: A metal (M) forms a compound with the formula MI4MI4. The compound contains 71.00%71.00% I by mass.…

A: The compound given is MI4  Assuming 1 mole of the compound is taken. Molar mass of MI4 = Atomic mass…

Q: Part A What is the empirical formula of the nitrogen chloride? Express your answer as a chemical…

A: The empirical formula of a compound can be defined as the simplest whole number ratio of atoms…

Q: 1. How many MOLECULES of nitrogen monoside ace present in 4.22 grams of this compound ? molecules 2.…

A: Avogadro number: Given by Avogadro, According to him, 1 mole of substance contain 6.022×1023 number…