What is the percent composition by mass of Carbon in a 2.55G sample of propanol,  CH3CH2CH2OH The molar mass of propanol is 60.09 g•mol^-1 A. 20.0% carbon B. 60.0% carbon C. 25.0 % carbon D. 51.0% carbon

Q: A) How many grams of MgI2 is present in a 0.4745 g sample that is 53.21% MgI2 (278.11 g/mol)? B)…

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Q: Calculate how many grams of lead (II) iodide (MM=461.01 g/mol) can be formed from 1.385 g of sodium…

A: Given:Molar mass of PbI2  = 461.01gMolar mass of NaI  = 149.89gmass of NaI reacted = 1.385gAlso,The…

Q: Use the Conservation of Mass Interactive to answer the question. Consider the reaction. MnS(s) +…

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Q: Mass of oxygen = 0.49g- 0.33g = 0.16g Number of moles = given mass / molar mass Number of moles of…

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Q: Mass of Salicylic Acid ___5.037 g _______    Actual: 2.26 g   what is the percent yield?

A: Percent yield is ratio of actual yield and theoretical yield expressed in percentage. It is…

Q: 21. What is the molar mass of baking soda (NaHCO3)? a. 84.0 g b. 52.0 g c. 201.2 g d. 45.5 g a O b C…

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Q: 28) How many moles contain 6.022 × 1023 lithium atoms? A) 2 moles B) 1 mole C) 6.022 x 1023 moles…

A: Given  Number of Lithium atom = 6.022 × 1023  Number of mole = ?  Mass of FeSO4  = 4.657 gram…

Q: Which is the correctly balanced form of the given equation? S(s) + O3(g) SO2(g)a) S(s) + O3(g)…

A: A chemical reaction equation which contains same number of atoms on both reactant and product side…

Q: Use the following data and steps below to calculate the formula of the copper chloride hydrate.…

A: Given: Weight of empty aluminum pan      = 0.4661 g Weight of CuCl2. x H2O sample       = 0.8390 g…

Q: Answer the following questionsn related to the analysis of CaBr2. a.) A student has a 10.0 g sample…

A: Given, a) A student has a 10.0 g sample of CaBr2.  Show the setup of the calculation to determine…

Q: Lab 5. Counting Molecules 1. Fill in the table C12H22011 NH,CI Mass (g) 1.0015 1.0238 Molar Mass…

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Q: Number of Molecules or Number of Atoms or lons 2.379 x 10 ^23 Number of Substance Mass (g) Moles…

A: Number of moles = given mass/molar mass Also 1 mole = 6.022 × 1023 atoms, molecules, formula units…

Q: Data Table 1. Moles and Atoms in Common Items Item Aluminum Cup Glass Stirring Rod Cotton Ball A.…

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Q: x, x A 2 A- T Normal I No Spac... Heading 1 Heading 2 Title Font Paragraph Styles 5. Ca:(PO4)2…

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Q: 2 Agl + Nazs → Ag2S + 2 Nal O 6.00 moles O 1.00 moles O 2.00 moles O 3.00 moles

A: Moles of AgI = 2.00 moles Moles of Na2S = 3.0 moles

Q: What mass of SbF3 (179 g-mol-¹) is needed to produce 1.00 g of Freon-12, CCl₂F2 (molar mass = 121…

A: Here 3 moles CCl4 react with 2 moles SbF3 and as a product 3 moles CCl2F2 and 2 moles SbCl3 is…

Q: How many grams of NBr3 can be made from  2.22 x 10-2 moles of Br2 ?  N2   +   3 Br2   →   2 NBr3…

A: Write down the given reaction N2 + 3Br2 ----> 2NBrccording to the stoichiometry 2moles NBr3 is…

Q: Question3 part d

A: The formula of allicin is C6H10OS2 and the molar mass of this is 167.2716 g/mol.

Q: Formula Amount of Molar Mass of Amount of Samples units or molecules mass(g/mol) sample(g) atoms…

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Q: Label the diagram to correctly convert 141.8g of Cl2 to moles of Cl2 1. X. : 71.9 g C2 : 141.8g Cl2…

A: A schematic diagram based on the conversion of mass of Cl2 into number of moles of Cl2 for which the…

Q: casbon 35.) Calaulate He grams. muss in he l,25 motes of aluminur chloride b. 3.35 moles of sodium…

A: multiplication of moles with molar mass will give the mass of that compound or molecules. As per…

Q: Particular thermos can hold 473.2 ML of warm beverage. If the Thermo is filled with hot cocoa, which…

A: Given that,Concentration of the sugar = 0.23 M = 0.23 mol/L Capacity of the solution in thermos =…

Q: How many g of 02 (32 g/mol) are needed to produce 40 g of water (18.02 g/mol) ? 2 C,H6 + 7 02 → 4…

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Q: 32. How many moles are there in 8.5 x 1025 molecules of CO,? 1.4 X 102 mol 7.1 X 10-2 mol 5.1 X 1049…

A: Please find your solution below : Avogadro's number is a factor that determines the number of units…

Q: Assume vit K1 makes up 0.052% ( by mass) of cilantro. How many moles of vit K1 is there in your…

A: Vit K1 makes up 0.052% (by mass) of cilantro. 1 tsp of cilantro is used here and volume of 1 tsp is…

Q: Calculate the mass (in g) of each sample.a. 5.94 * 1020 SO3 moleculesb. 2.8 * 1022 H2O moleculesc. 1…

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

Q: 1. H₂S (g) + CH4 (g) 2. NO₂ (g) 3. Pb3O4 (s) 4. C(s) + CO₂(g) 5. NO (g) Chemical Reaction Fe3O4 (s)…

A: A system in its equilibrium state will remain in that state indefinitely as long as it is…

Q: 29) How many moles of iron(II) sulfate are contained in 4.657 g FeSO, ? B) 0.03066 A) 1.245 C)…

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Q: A) How many grams of Mgl, is present in a 0.4745 g sample that is 53.21% Mgl2 (278.11 g/mol)? B)…

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Q: 6. Cra(P207)3 a. Calculate it's molar mass b. 4.93 mols Cra(P207)3 = _g Cra(P207)3 c. 78.45g…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: a. Calculate the molar mass of Al2O3. Molar mass = g/mol b. Calculate the molar mass of Al(NOS)3.…

A: a) Molar mass of Al2O3 = ?  b) Molar mass of Al(NO3)3 = ?

Q: Mass of Container + Sample 2.70 Mass of Container 1.95 48.00 % of Sand % of Ammonium Chloride 16.00…

A: Given: (1) Mass of container + sample = 2.70 g (2) Mass of container = 1.95 g   (3) % sand = 48.00…

Q: 8P4 (s)  +  3S8 (s)  -->  8P4S3 (s)  determine the maximum amount of P4S3, in grams

A: In this question, we want to determine the maximum mass of Product ( P4S3 ) in grams unit.  You can…

Q: 3. How many moles are in 1.838 liters of nickel, Ni? xby 224L MOLES LITERS by 22.4L MOLES 4. How…

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Q: many

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Q: 25.0g of Co2 contain how many oxygen atoms (Molar mass of CO2 = 44.01 g.mol-1) A 1.00x1024 B…

A: Given-> Weight of CO2 = 25.0 gm Molar mass of CO2= 44.01 g/mole

Q: 1.) Determine the molar mass of Mn(ClO4)2. g/mol

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Kl (aq)+H2O (I)+KMnO4(aq)=I2 (s)+MnO2 (s)+KOH (aq) Kl (aq)=166.0 g/mol H2O (I)=18.02 g/mol…

A: a) Given  mass of potassium iodide, KI = 15.00 grams  molar mass of potassium iodide, KI  = 166.0…

Q: (c) An organic compound consists of carbon, hydrogen and sulfur only. The percentage of carbon by…

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Q: A solution is prepared by dissolving 21.1 g of NaI in enough water to make 444.5 mL of solution. How…

A: Interpretation- To determine the number of mole of ions in 18.6mL of solution when a solution is…

Q: a. Calculate the molar mass of P2O5. Molar mass = g/mol b. Calculate the molar mass of Caz (PO4)2 .…

A: Molar mass is the weight of one sample. First one is Phosphorus pentaoxide -contains 2 phosphorus…

Q: One molecule of an unknown compound is found to have a mass of  4.61 x 10-22 g. What is the molar…

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Q: A) 3.90 g H2O   mole (B) 6.44 g benzene, C6H6   mole (C) 32.00 g ethyl alcohol, C2H5OH   mole (D)…

A: Molecular weight amount of any compound contains avogadro number of molecules andit is termed as 1…

Q: Part C In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol).…

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Q: OAn organic compound consists of carbon, hydrogen and nitrogen only. Complete combustion of a…

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Q: KHP grams Molar Mass of KHP (A2) 204.22 g/mol moles KHP 1.009 (A11) %3D 204.22 g/mol

A: Mass = 1.009 g Molar mass of KHP = 204.22 g/mol Moles = mass/MM    = 1.009/204.22 = 0.00494 mol

Q: Consider the reaction:   NH3 + O2 → NO + H2O For every 150 g NH3,   Find the mass of NO…

A: NH3 + O2 → NO + H2O Given, mass of NH3 = 150 g Molar mass of NH3 = 17 g/mol Molar mass of NO = 30.01…

Q: Mass of calcium phosphate sample plus weigling paPer 2. 332 4 0.1849 Mass of weighing paper…

A: 1 mole Ca3(PO4)2 contains 2 moles of Phosphorus  7.025 X 10-3 mole Ca3(PO4)2  contains…

Q: How many grams of N2 are needed to make 444 g of NBr3 ?  N2   +   3 Br2   →   2 NBr3   +   44.0 kJ…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".