the molecular formula of glycerol is C3H8O3- 1. calculate the formula mass of glycerol ____g/mol   b. calculate the number of oxygen atoms in a mol of this compound _______x10 ______ O atoms(scientific notation)   c. calculate the mass of oxygen in a mol of the compound ______ g O

Q: by your instructor. Calculations 4. Calculate the mass of the hydrate (2 - 1) 5 Calculate the mass…

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Q: 1. How many MOLECULES of xenon trioxide, XeO3, are present in 6.25 grams of this compound? 2. How…

A: Since you have posted multiple questions according to guidelines I am solving first two.If you want…

Q: A model of the ethanal molecule is shown in the window below. progress ball & stick- + labels HO a.…

A: 1 mole = 6.022 x 1023 atoms/molecules/entities

Q: How many grams of ibuprofen are in 0.540 moles?

A: number of moles = mass/molar mass  mass = moles × molar mass

Q: How many moles of carbon monoxide are present in 2.05 grams of this compound? _____moles How many…

A: The moles of a substance is calculated from the given mass of the substance using the below…

Q: Calculate the mass of 2.50 moles of Carbon Monoxide, CO. ______

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Q: a. What is the molar mass of Prevacid? Molar mass = g/mol %3D b. What mass of fluorine is in 0.73…

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Q: 25.  Determine which of the following contains the greatest mass of aluminum: 122 g of AlPO4, 266 g…

A: Molar mass is defined as mass of one mole of a substance.One molecule of AlPO4 contain one atom of…

Q: Determine the quantity of moles of propylene (C3H6) in 25.0 g of the substance.

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Thus,

Q: inside the front cover of this book to calculate the mass in grams of each of the following samples.…

A: Note : As per our guidelines we are supposed to answer only first 3 subparts of first question.

Q: View Policies Current Attempt in Progress A balanced chemical equation contains the term "2Ba(OH)2…

A: Introduction :  Atom can be defined as the smallest unit of matter , it is composed of nucleus and…

Q: 12. Traumatic acid contains 63.13% carbon, 8.830% hydrogen, and 28.03% oxygen. Its molar mass is…

A: The molecular formula represents exact number atoms present in a compound. An empirical formula…

Q: a. 0.25 mol of potassium sulfate b. 1.2 mol of glucose (C6H1206)

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Q: A compound has the empirical formula C6H7N and a formula mass of 186.24 g/mol. What is the molecular…

A: Answer: Option d. C12H14N2 is the correct molecular formula. Given,The empirical formula=C6H7N…

Q: 102.2 g NaCl = _______________ mol NaCl

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Q: 3. Find the mass (m) of the following samples in two decimal places. a) How many grams of sodium…

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Q: Given 147.6 g of gold, Au, how many moles do you have? Round to 2 decimal places.

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Q: 18. The chemical formula for hydrogen sulfide is H,S. What is the percent composition by mass of…

A: Step 1: Solution Given,Compound = H2Smolar mass of : hydrogen(H) = 1 g/mol, Sulfur(S) = 32…

Q: A. How many grams of B are present in 3.48 grams of boron trifluoride ?  _______grams B. B. How…

A: Given, Boron trifluoride , BF3

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: How many grams of C are in 35.1 g of C6 H10S? Express the number of moles to three significant…

A: Given, mass of C6H10S = 25.1 g Now, moles of C6H10S  can be calculated as,            moles of…

Q: How many hydrogen ????? are there in 75.9 g of octane, C8H18

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Q: Calculate the mass of each of the following gases a) 1.61 of methane (CH4) b) 1282cm3 of sulphur…

A: Given,  a). 1.6 L of methane  b). 1282 cm3 so sulfur dioxide  c). 4 L of neon  d). 0.1 L of nitrogen…

Q: What mass of Fe₂O3 is produced when 16.2 L of O₂ gas react with FeS at 458 K and 5.29 atm. 4 FeS (s)…

A: Given reaction 4FeS (s) + 7 O2 (g) -------> 2Fe2O3 (s) + 4SO2 (g)  Volume of O2 (V) = 16.2 L…

Q: How many moles of ammonia (NH3) are there in 78.11 g of ammonia? 1 mol NH3 = __________ g (round to…

A: Sample Mass of NH3=78.11gm Molar mass of NH3= 14+(1×3)=17 amu. So, 1 mole of NH3 contains 17 gms. 1…

Q: QUESTION 2 a. How many moles of Al203 are in 28.0 g of Al203? Report your answer to the correct…

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Q: A chemical formula contains information about the relative numbers of each type of atom in a…

A: If a compound AxBy given then  One mole of compound contains x mole of A  One mole of compound…

Q: Convert 32 grams of C₂H₅OH to moles.

A: The given mass of C2H5OH is 32 g. The molar mass of C, H, and O is 12.011 g/mol, 1.008 g/mol, and…

Q: Chemistry 1. How many MOLECULES of xenon triox are present in 4.72 grams of this compound? [____]…

A: Number of moles of any substance can be determined by dividing the given mass of that substance by…

Q: 4. A student obtains the following data. mass of clean, dry and empty crucible mass of crucible with…

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Q: FIOW TTa ly How many grams of aluminum oxide (Al, O) are equal to 6.32 x 1023 formula units?

A:

Q: How many moles are present in 25.0 grams of potassium permanganate, KMNO4? moles Your answer should…

A: Molar mass Calculation molar mass of KMnO4 = (39.098+54.938+16×4)g/mol =158.036 g/mol Atomic mass of…

Q: How many moles are in 135.2g of H2O? Round to 2 decimal places.

A: Mole represent the quantity of a substance.It is used for fundamental particle like as proton…

Q: What is the mass in grams per mole?

A: Information about the question

Q: portant valuės if needed for this question. The amino acid asparagine has the molecular formula…

A: Determine number of atoms in both compound and then equate them because both must have similar…

Q: 14. Magnesium, Mg, reacts with sulfuric acid, H2SO4, according to the following chemical reaction.…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: How many moles are in 5.13 g of methane (CH4)? O a. 0.32 mol O b. 3.21 mol O c. 0.321 mol

A: Number of moles of substance =weight of substance in g molecular weight of substance in g/mol

Q: The chemical formula for lithlum fluorlde Is LiF. A chemist measured the amount of lithlum fluoride…

A: Molar mass of LiF is sum of atomic masses of Li and F.Atomic mass of Li is 6.941 and atomic mass of…

Q: A compound containing copper and chlorine contains 0.01026 moles of copper and 0.01721 moles of…

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Q: What is thé mass percentage of C in codeine, C18H21NO3? Provide an answer to two decimal places.

A: Given : We have to calculate mass percentage of carbon in codeine.

Q: Oxygen gas is a diatomic molecule. How many mole are contained in 4.23×10exp14 molecules of oxygen…

A: This problem can be solved by knowing that one mole of any substance contains6.022×1023 particles.

Q: Na is plated out from a solution of NaCl. How many moles of electrons are required for every mole of…

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Q: How many formula units are present in 5 moles of Al2S3 ? [?] x 10 fun. Al₂S3 Make sure your answer…

A: Formula units are nothing but the number of atoms present in the particular moles of a compound. Use…

Q: A 0.6951 g sample of nicotine was analyzed and found to consist of 0.5147 g C, 0.06047 g H, and…

A: Molecular formula of nicotine- C10H14N2   Formula for percentage of element in a molecule = (amount…

Q: Calculate the mass in grams of each sample. m = Submit Request Ans 4 Part C 5.1×1025 03 molecules

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Q: What is the percent by mass of Cl in the compound? d 0 of 2 points earned 2 attempts remaining What…

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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.