What amount of moles is represented in each of the following samples?a. 150.0 g Fe2O3 b. 10.00 mg NO2 c. 1.5 x 1016 molecules BF3

Q: What is the mass (in grams) of 2.40 x 1024 CS2 (tear gas) molecules? [Note: Molar Masses (g/mole): C…

A: Atomic mass of C = 12 g mol-1 Atomic mass of S = 32.1 g mol-1 Number of CS2 molecules = 2.40 × 1024

Q: what mass of cerrusite PbCO3 (MM= 267.21g/mol) contains 110g of O

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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: 49. How many moles are there in 500 g indigo, C16H10N202, a blue dye. c. 1.15 X10E24 mol a. 1.90 mol…

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

Q: How many moles of carbon dioxide could be produced if 10 moles of octane, C 8H 18, are combined with…

A: C8H18 +25O2->16CO2 +18H2O

Q: The number of moles of S in 2.8 x 1024 atoms of S is: 1.0 mole of S atoms 4.6 moles of S atoms 3.1…

A:

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: What is the mass in grams of 0.699 moles of glucose, C6H12O6 ? A. 0.00388 g B. 67.1 g C. 126 g D.…

A: Mole: It is defined as the unit for measurement of the amount of substance in the International…

Q: Fill in the following table, show your work. Substance Mass (g) Moles (mol) Molecules (molec) N2…

A: Number of moles present can be determined by dividing the mass of the substance by its molar mass…

Q: complete the following table for tnt trinitrotoleune

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Q: How many atoms are present in the following molar quantities of various elements? a) 1.50 moles Fe…

A: Generally, 1 mole = 6.023 x 1023atoms. a) 1.50 moles Fe = 1.50 x 6.023 x 1023atoms = 9.0345 x…

Q: g Fe203 Pg Co g Fe g CO2 d mole Fe203 mol CO mol Fe mole CO2 |partides Fe203 molecules CO atoms Fe…

A: The question is based on the concept of chemical reactions. we have to identify and write the units…

Q: How many moles are contained in each number of grams of table sugar (C 12H 22O 11, molar mass 342.3…

A: Given data molar mass of sugar ( C12H22O11 ) = 342.3 g/mole   mass of sugar part(a) 0.500 g…

Q: How many grams of NBR3 can be made from 2.22 x 10-2 moles of Br, ? N2 + 3 Br2 2 NB13 + 44.0 kJ The…

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Q: What mass, in grams, of NO2 is needed to form 132.9 g of NO? A 3NO2(g) + H20() → 2HNO3(aq) + NO(g) x…

A:

Q: What amount in moles is 4.77x10^25 (to the power of 25) molecules?? 1.2.87x10^49 mol 2.79.2 mol…

A: Molecules = 4.77 x 1025

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: 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: Moles of Zn(NO3)2Zn(NO3)2 in 151.50 g of this substance

A: Interpretation -  To determine the moles of Zn(NO3)2 in 151.50 g of this substance. One thing i want…

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: 2NH3 + 3CUO → 3Cu + 3H2O + N2 How many mole ratios will you have in the equation? List 4 mole…

A: A mole ratio is ​the ratio between the amounts in moles of any two compounds involved in a chemical…

Q: 4. Bismuth (II) Nitrate a. Calculate it's molar mass b. 84.56 g Bismuth (II) Nitrate = mols Bismuth…

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Q: MOLES/MOLECULES T04/SO2 If a sample of B10H10Bra is found to contain 1.20 - 1019 B atoms how many…

A:

Q: The percent composition of aluminum (atomic weight 26.9815386) in Al2O3·2SiO2·2H2O (Molar mass is…

A: Given data :  Atomic weight of Aluminium= 26.9815386 g/mol  As the compound has two moles of Al , so…

Q: What amount (moles) is represented by each of these samples? a. 150.0 g Fe2O3 b. 10.0 mg NO2 c. 1.5…

A: a) Given : Mass of Fe2O3 = 150.0 g

Q: What is the molar mass of calcnum chloride hexahydrate! a 75.53 g'mol, b.111.0 gmol c 1170 gmol d.…

A: The answer to the following Question is:

Q: How many grams of gold (Au; atomic mass = 197.0 g/mol) contains 2.5 x 1020 gold atoms?…

A: Number of gold atoms = 2.5 ×1020  Atomic mass of gold = 197 g/mol

Q: Avogadro's number is the number of O grams in 1 mole of a compound. grams in 1 mole of an element.…

A:

Q: The molar mass of sodium fluoride is A. 51.1 g/mol B. 42.0 amu C. 42.0 g/mol D. 20 g/mol E. 25 g/mol

A:

Q: Putting it all together... molar muss 6.02 x 10 grams + moles rep. particles Ex 1) Convert 50.0 g of…

A:

Q: The molar mass of (NH4)2C2O4 is [Molar Masses (g/mole): N = 1 4; H = 1; C = 12; O = 16] Oa. а. 124…

A: Given compound, (NH4)2C2O4l

Q: B. Calculate the number of moles contained in each of the following samples. 13) 1.06 x 1025 atoms…

A: Number of moles = number of atoms of a particular element/Avagadro's number  Avagadro's no. (NA) =…

Q: Obtain the moles

A: Number of moles = mass/molar mass        Since you have posted a  question with sub-parts , we are…

Q: 1. Balance these equations. a. Al(s)+O2(g)→A1½O3(s) b. N2(g)+H2(g)¬NH3(g)…

A: Since,  We know that,  Balanced equation means number of atom in reactant side is equal to number of…

Q: BaCl2 + 2AgNO3->2AgCl + Ba(NO3)2   How many moles of silver chloride are produced from 4.56 moles…

A: Given reaction is, BaCl2 + 2AgNO3----->2AgCl + Ba(NO3)2 Moles of barium chloride- 4.56 mol

Q: Which one of the following is not equivalent to one mol of the substance? O 65.39 g Zn O 14.01 g N O…

A: Given: To identify which option is not equivalent to 1 mole.

Q: What is the molar mass of aluminum chlorate, Al(Cl03)3? A)456.78 g/mol B)325.33 g/mol C)331.29 g/mol…

A: Molar mass of molecules  = sum of atomic masses of all the atoms present  Since in Al(ClO3)3 we have…

Q: How many oxygen atoms are in 1.50 mol of SO3?

A: Mole is a unit of quantity of substance. One mol of a substance contains 6.022 x 1023 units of that…

Q: A mole of the water is: 12.0000 g H2O one H20 molecule O 6.02 x 1023 g H2O 6.02 × 1023 H20 molecules…

A:

Q: many molecules are contained in each compound? a. 1.35 mol of carbon disulfide (CS2) b. 0.254 mol of…

A: Since you have asked multiple questions we are solving first question for you. For remaining…

Q: Number of atoms of C in 10 moles of C4H10 are:     240.88x10^23 24.09x10^23 4.15x10^23…

A:

Q: 18. 7.68 g/mol ® ng/molecules

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: What amount (moles) is represented by each of these samples? a. 20.8 mg caffeine, C3H10 N4O2 Amount…

A:

Q: How many particles of bromine are in the quantities below? 1. 2.0 moles 2. 0.75 moles 3. 15 moles…

A: The given data: 6) The number of moles of bromine = 2 mole To determine = The particles of bromine…

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: c38(g)+5o2(g)=3co2(g)+4h2o(g) how many moles of carbon dioxide would be produced from 20.45 moles of…

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Q: Which mass of the molecular elements below would just contain Avogadro’s number of molecules? a. 76…

A:

Q: How many moles of atoms are in each elemental sample? 1) Express your answer using two significant…

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

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: Which of the following is equal to 1 mole of Ca atoms? * 6.022 x 10^22 molecules of Ca 6.022 x 10^23…

A: 1 mole of Ca atom is given  we have to convert it into atom because it’s not a molecule.