1) What is the molar mass of Ca(NO3)2? A) 70.0 g/mol B) 134 g/mol C) 148 g/mol D) 164 g/mol E) None of the above

Q: How many grams of Cl, are needed to form 82.4 g of AlCl, ? 2 Al(s) + 3 Cl, (g) 2 AICI, (s)

A: two moles of Al reacts with  3moles of chlorine gas forms 2 moles of AlCl3 Calculation of no of…

Q: Nicotine is an alakaloid within the nightshade family of plants that's primarily responsible for the…

A: Given,  % of Carbon      = 74.02 % % of Hydrogen = 8.710 %  % of Nitrogen   = 17.27 %

Q: (f) number of O atoms in 6.25 x 10-3 mol Al(NO3)3

A: Total number of oxygen atom = 3.39×1022 atoms

Q: What is the molecular formula of for the compound under question 3 if the molar mass is 141.94…

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Q: How many hydrogen atoms do 27.0 g of H2O contain?

A: In every molecule or substance for one mole of it, there will be 6.022×1023 units of it. This is the…

Q: Compound X has a molar mass of 579.43 g·mol -1 and the following composition: element mass %…

A: Given: Phosphorus = 26.73 %     Nitrogen = 12.09 %     Chlorine = 61.18 % Molar mass of compound X =…

Q: Find out the molar mass of C,H,NO. O 121.14 g/mol 112.14 g/mol O 211.14 g/mol O 111.14 g/mol

A: Interpretation-  To determine the molar mass of C7H7NO   .    Introduction -  Molar mass of a…

Q: 3- calculate the number of (O) atom in 1.5 g of glucose (C6H1206).

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

Q: A theoretical molecule exists as a hydrate (has non-covalently bound waters of hydration) with a…

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Q: Calculate the number of moles in sample. 72.5 g CCl4

A: Before solving this question we must know how to find number of miles.

Q: I don't understand this problem! Please help! The question is: In the following balanced chemical…

A: The chemical equation represents the possible reactants that combine to yield the products. In this…

Q: What is the mass percent of carbon in oxalic acid, H2C2O4

A: Since we know that mass percent of any element in a compound is calculated as  Mass % of element =…

Q: 20. How many molecules are contained in each of the following: (a) 1.75 mol Cl, (b) 0.27 molC,H,O…

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Q: 1. Determine the molar mass of (a) potassium hexachloroiridate(IV), K2lrCls and (b) trifluorosilane,…

A: Determine the molar mass of the given complex--

Q: Morphine (molar mass = 285.37 g/mol) is a narcotic %3D painkiller. How many moles of morphine are…

A: We know that : moles = weight of substance/molecular weight of substance  Or, moles (n) = weight…

Q: The molar mass of Fluorine (F) is 19.0 g/mol. Calculate the molar mass of F2. O 6.31 x 10-23 g/mol…

A: Molar mass of a compound is the sum of individual elements multiplied by their molar masses.

Q: W nal Is the 1ormula Ior copper phospnate ? apitalizatioIl anu pur unoɔ formula: How many atoms of…

A:

Q: mass

A:

Q: As a result of burning analysis of a caffeine sample 0,624 g C, 0,065 g H, 0,364 g N ve 0,208 g O…

A: Number of moles = mass / Molar mass

Q: A compound composed of 3.3% H, 19.3% C, and 77.4% O3.3% H, 19.3% C, and 77.4% O has a molar mass of…

A: The following percentages are given: H => 3.3% C=> 19.3%  O=>77.4%  The molar mass of the…

Q: 6. Write the empirical formula for acetylene.

A:

Q: н Enter the mass percent of CHF3 in the visualization. MM[CHF3]=70.01 g/mol, MM[C2H6]=30.07 g/mol,…

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Q: Question attached

A: The given compound is C4H10, butane. mass of 4 C  = 4 mol x 12.01g/mol = 48.04 g mass of 10 H = 10…

Q: estion 11 of 23 What is the number of formula units in a 1.88 mol sample of FeCl, ? formula units

A: 11) Given: 1.88 mol of FeCl3 1 mole of FeCl3 contains 6.022 x 1023 formula units. Hence, formula…

Q: What is the mass percent of carbon in NaC2h3O2= 82.03 g/ mol

A: Given                                                                           mass of NaC2h3O2=…

Q: Determine the molar mass of CH₃OCH₃.

A: The molar mass of CH₃OCH₃ is to be calculated.

Q: Research suggests that a daily dose of 85 mg aspirin (molar mass = 180.17 g), may reduce a person's…

A:

Q: What is the molecular formula of a compound that contains 66% Ca and 34% P and has a molar mass of…

A: Given , % P = 34% % Ca = 66 %  Molar mass of Ca3P2 = 182.18 g/mol Molecular formula = ?

Q: What is the molar mass of rhodium (III) chromate?

A: We need to calculate the molar mass of Rhodium (III) chromate.

Q: Calculate the molecular mass (molecular weight) of lauric acid, C,,H,0,. amu molecular mass =

A: The mass of one molecule of the substance is called its molecular mass . It is expressed in atomic…

Q: Page 8 of 35 Your Learning Points 4 Osiagwu, Chiemeka K Iron metal reacts with elemental sulfur to…

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Q: What is the molecular formula for the hydrocarbon that is 85.60% carbon and the rest hydrogen, with…

A: To solve this problem  We have to consider the mass of hydrocarbon is 100 g then the mass of carbon…

Q: 1.2.How many moles of sodium bicarbonate are present in the 5.00 g?

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: WHAT IS THE MASS OF 3.7 MOLES OF PCL5

A: given :  moles of PCl5 = 3.7 moles molar mass of PCl5 = 208.24 g/mol mass of PCl5 = ??

Q: 1 mol TiAl4V contains mol Ti, mol Al and mol V.

A: We are given, 1 mol Ti6Al4V

Q: 11.The Nicotine molecule has been found to have a molar mass of 162.1 g/mol and a composition of…

A: Empjirical Formula : It is a chemical formula of a compound where moles of each atom is represented…

Q: The molar mass of a sulfur molecule (Sg) is a 32.05 g/mol b 140.0 g/mol c 256.5 g/mol d None of the…

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Q: A compound has the empirical formula C3H4N. The molar mass of the compound is 108.16 g/mol. What is…

A: Given, Empirical formula : C3H4N  Molar mass = 108.16 g/mol Molecular Formula = ?

Q: 1. Calculate the molar mass of potassium chloride, KCI. A) 74.55 g/mole B) 54.55 g/mole C) 6.745…

A: "Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Determine the formula weight of Al₂(SO₄)₃.

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Q: d anyone tell me what this compound is osed to be.The molar mass is 92.73 g/mol. Unknown 3 1 1

A: The compound is ,for sure, a deivative of acetic acid since the nmr spectra contains 2 peaks…

Q: convert 69gN to mol

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Q: What is the molar mass of aspirin, C9H804? A)252.25 g/mol B)180.17 g/mol C)244.17 g/mol D)116.08…

A: Molar mass = sum of atomic mass of all the atoms present in the molecule Since each molecule of…

Q: Penicillin N is an antibacterial agent that contains 8.92% sulfur by mass. Which value could be the…

A: Given data:

Q: What is the simplest formula for a compound that contains 0.50 mol Na, 0.50 mol S, and 0.75 mol O?

A: No. of moles of Na, S and O are 0.5, 0.5 and 0.75 moles respectively.  Na = 0.5 mole  S = 0.5 mole…

Q: Compound x has a molar mass of 180.15 g•mol and the following composition: element mass % carbon…

A: Given: Molar mass of X = 180.15 g mol-1 Carbon = 40.00% Hydrogen = 6.71 % Oxygen = 53.29% Known:…

Q: determine the molecular formula of the compind with a molar mass of 86.03 g/mol and an empirical…

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Q: Calculate the number of K* ions in 7.50 g of K,SO4 (molar mass = 174.26 g/mol) Note: Avogadro's…

A: