How many molecules are there in 1.77 moles of NaF? O 1.07 x 10 24 molecules O 254 x10 22 molecules O 2.94 x 10 -24 molecules O 4.48 x10 25 molecules

Q: How many molecules of sulfur trioxide are in 78.0 grams? O 0.974 none of the above O 7.33 x 1023 O…

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: 15. How many O atoms are in 2.00 g Al₂O3 ? Al = 26.98 g/mole, O = 16.00 g/ mole 3.54 x10exp22 O…

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Q: How many H20 molecules are there in 3 moles of H20 sample? O 6.02 x 1023 molecules O 2x 6.02 x 1023…

A: Given: Moles of water, H2O = 3 mol.

Q: Convert 8.04 x 1021 molecules/formula units of X4Z4 into grams of the same compound. (Assume that…

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Q: How many molecules of oxygen are in 150 g of oxygen? 05.6 x 1024 O28х 1024 О5.6 x 1022 O1.4 x 1024…

A: Given: Mass of Oxygen= 150g To Calculate: Molecules of  Oxygen

Q: How many O atoms are in 2.00 g  Al2O3 ? Al = 26.98 g/mole, O = 16.00 g/ mole

A: Recall the data, mass of Al2O3=2.00 g molar mass of Al=26.98 g/mole molar mass of O=16.00 g/ mole

Q: Calculate the number of moles in each of the following samples: 10) 3.69 x 1024 atoms of uranium, U…

A: Given samples: 3.69×1024 atoms of uranium, U 7.54×1023 molecules of H2O 76.9 g of BaSO4 146.2 g of…

Q: How many molecules of hydrogen chloride (HCI) are there in 25.0 g of hydrogen chloride? (Given: H=…

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Q: How many O-atoms are there in 0.433 g of Ca(NO2)2 (MM= 132.1 g/mol)? O 3.28 x 10-3 O 1.97 x 1021 O…

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Q: What is the percentage composition of each element in ammonia, NH3?  82.35% N; 17.65% H  80.55% N;…

A: Ammonia(NH3) molecule contains one  nitrogen and three hydrogen atoms. We have to determine the…

Q: 3. How many molecules of ammonia, NH3, are present in 0.522 moles of ammonia? A) 3.14 x 1023 B) 8.67…

A: Number of molecules is the product of the number of moles and avogadro’s number. Avogadro's number…

Q: How many moles are there in 178.66 g of Hexane (CGH14)? O 3.57 O 0.48 O 2.08 O 0.28

A: Given mass of C6H14 = 178.66 g Moles = Given mass / Molar mass  Molar mass of C = 12 g/mol  Molar…

Q: How many hydrogen atoms are present in 4.5 moles of C6H6? 1.6 x 1025 H atoms 4.5 x 1023 H atoms 27 H…

A: Solution -

Q: How many CO2 molecules are there in 12.0 moles CO2?   How many moles NH3 contains 1.5 x 10 23 NH3…

A: a) Given : Number of moles of CO2 = 12.0 mol.

Q: Nitrogen dioxide is a component of urban smog that forms from gases in car exhaust. How many…

A: Detail mathematical calculation is shown below

Q: How many moles are there in: 1. 3.612x1024 molecules of phosgene? 2. 3.01x1023 molecules of Freon?…

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Q: Calculate the molar mass of Iron(III) chloride hexahydrate: FeCl3• 6H20. O 162.29 g/mol O 180.29…

A: Given  Molar mass of EDTA disodium salt dihydrate = 372.24 g/mole Molar Mass of FeCl3.6H2O Molar…

Q: How many atoms of hydrogen are in 30 g of NH4NO3 (Molar mass: 80.04 g/mol) ? O A. 2.77 x 1022 O B.…

A: MOLE: The amount of substance present in whole of a compound is known as one mole and it is…

Q: which of the samples have the large numbers of molecules H2S04 ? (Atomic mass H = 1, O=16 S= 32) * O…

A: Given data, Atomic mass of H = 1g/mol Atomic mass of O = 16 g/mol Atomic mass of S = 32 g/mol

Q: How many grams are there in 4.5 x10 22 molecules of MgBr ,? O 1.47 x 10 44 g 8.28 x 10 24 g 0.075 g…

A: Given  molecules of MgBr2 = 4.5 x 1022 molar mass of MgBr2 = 184.113 g/mol   Conversion factor -…

Q: Calculate the mass (in g) of each sample.  3.2x10^22 H2O molecules  5.0x10^25 O3 molecules…

A: The values are given as follows:

Q: How many molecules are there in 0.500 moles of sugar, CgH1206? 90 molecules G 3.01 x 10 23 molecules…

A: Given : Moles of sugar = 0.500 mol.

Q: How many molecules are there in 39 grams of oxygen? 39.0 g O, x =? molecules O2 32.00 g 02=1 mol O2…

A: Applying formula of moles  n=w/m  No of molecules=n×NA

Q: How many moles are there in 313.87 g of Hexane (CHiJ? O 6.28 O 0.16 O 3.65 O 0.27

A: Calculate moles of 313.87g of hexane ?

Q: The number of ammonia (NH3) molecules present in 4.85 grams of NH3is: a.1.02 x 10^25 c. 1.72 x…

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

Q: What amount of moles is represented in each of the following samples?a. 150.0 g Fe2O3 b. 10.00 mg…

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Q: How many moles of pentane (C 5H 12) are contained in the following number of molecules? a. 5.00 × 10…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 27.Formaldehyde has the formula CH₂O. How many molecules are there in 0.11 g of formaldehyde? A) 6.1…

A: Given :  Mass of formaldehyde = 0.11 g

Q: 3. What is the mass percent of oxygen in Al2(SO4)3 18H2O? (molar mass is 666.43 g/mole) (A) 9.60 %…

A: Dear student I have given answer to your question in the image format.

Q: 3. How many grams of S8 are required to produce 3.9 x 1024 molecules of SO2? S8 O2 SO2

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

Q: How many Cl atoms are there in 50 g of AIC13 (Molar mass: 133.34 g/mol) ? OA 4.64 x 1026 O B. 5.00 x…

A: Given, Mass of AlCl3 = 50g Molar mass of AlCl3 = 133.34 g/mol Moles of AlCl3 = 50 g133.34 g/mol =…

Q: A pure sample of an unknown molecule has a mass of 35.51 g and contains 0.2000 moles. What is the…

A: 177.55 g/mol

Q: Given molar mass, find the mass in grams of each of the following substances: 2.11 x 1024 201 x 1023…

A: 3. Given that : The number of molecules of CH4 = 3.990 x 1025 molecules The molar mass of CH4 is…

Q: How many moles of Cl atoms are there in 65.2 g CHCI3? O 3.3 x 1023 mol O 0.548 mol O 1.64 mol O 1.09…

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Q: Given 6Li + N2 0 2 LI3N, Determine the number of moles of lithium required to make 46.4 g of lithium…

A: As per our company guidelines we are supposed to answer only one question. kindly repost other…

Q: How many molecules are there in 192 g of citric acid, C6H8O7? O 6.02 x 1023 96 192 192 x (6.02 x…

A: * Given citric acid with chemical formula                  C6H8O7  * Given mass of Citric acid = 192…

Q: How many atoms are in 25.6 g tin? O 1.30 x 1023 atoms O 3.01 x 1024 atoms O 3.01 x 1023 atoms O 6.02…

A: Moles of tin are, Moles = mass ÷ molar mass Moles = 25.6 g ÷ 118.71 g/mol Moles = 0.22 mol

Q: How many molecules of carbon dioxide are in 12 1 g? (Avogadro's number = 6.022 x 1023) %3D O 8.84 x…

A: Molar mass of CO2 is 44g/mol In molar mass of CO2, there are avogadro no. of CO2 molecules ,i.e.,…

Q: How many moles of Cl atoms are there in 65.2 g CHCI3? O 1.64 mol O 3.00 mol O 0.548 mol O 1.09 mol

A: Given that,  mass of CHCl3=65.2 g molar mass of CHCl3=119.38 g mol-1 then, moles of Cl = ?

Q: 11) How many grams are in 2.05 x 10 molecules of dinitrogen pentoxide (N,O)? A) 36.8 g B) 0.315 g C)…

A: Note : As per our guidelines, we are supposed to answer first question. Please repost other question…

Q: Arrange the quantities from largest to smallest in terms of mass: = 1.35 moles of Cu = 2.51 x 1024…

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Q: How many moles are there in 153 g of Hexane (C6H14)? O 3.06 O 1.78 O 0.33 O 0.56

A: Mass of hexane = 153 g  Number of moles of hexane = ?

Q: 1. Complete the blanks in each row, with proper number of significant figures: Substance Molar mass,…

A: Complete the each row

Q: How many molecules are there in 31.8 moles of water? O 1.91 x 1022 molecules O 1.91 x 1025 molecules…

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Q: How many moles of NH3 are there in 77.5 g of NH3? O 0.220 mol O 0.00131 mol O 14.0 mol O 4.55 mol

A: Given, Mass of NH3 = 77.5 g Moles of NH3 are there in 77.5 g of NH3 = ? Note: Molar mass of NH3 =…

Q: What number of molecules (or formula units) are present in 2.25 g of each of the following…

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Q: How many moles are there in each sample? 55.0 g Ti 16.9 mg Na 7.95 x 10^24 Ne atoms

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

Q: How many moles are there in 138.16 g of Hexane (C6H14)? 0.36 1.61 2.76 0.62

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Q: How many oxygen atoms are in 2.0 g of sucrose (C12H22O11)? O 3.9 × 10²² Oxygen atoms O 3.5 × 10²'…

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