What mass of sulfur dioxide, SO2, would contain the same mass of oxygen as is contained in 33.7g of arsenic pentoxide, As205? O A. 23.5 g O B. 32.5 g O C. 53.2 g O D. 35.2 g O E. 53.2 g

Q: Based on their molecular masses, match the correct molar mass with each molecule. ● Hydrogen has an…

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Q: What is the mass of 3.1 moles of each of the following substances. a. Rb b. COCl2 c. Fe2(SO4)3

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Q: 1. Calculate the mass in grams of a single oxygen molecule, 02.

A: Molar mass of O2 is 32.0 g/mol  We have to calculate here mass of 1 molecule of oxygen i.e. O2

Q: a. Consider the following chemical equation: HNO3 + pFeCl2 + qHCl → rFeCl3 + NO + 2H2O Which of the…

A: a) Balanced the reaction --->  HNO3 + pFeCl2 + qHCl ----> rFeCl3 + NO + 2H2O

Q: 3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

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Q: What is the mass of 4.50 x 1022 Cu atoms? Multiple Choice O 4.75 g O 63.55 amu O 63.55 g O 7.47 x…

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Q: Which element is in excess?

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Q: A molecular compound is found to consists 30.4% nitrogen and 69.6% oxygen. if the molecule contains…

A: Given Composition of N = 30.4 % Composition of O = 69.6 %

Q: Suppose the reaction, Ca3(PO4)2 + H2SO4 → CaSO4 + H3PO4 is carried out starting with 103 g of…

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Q: Consider that the combustion of an unknown amount of a hydrocarbon produces 0.2 moles of H2O.…

A: Given , 0.2 moles of H2O was formed

Q: A small molecule called, “3TC” (molecular formula: C8H₁1N3O3S) is used as an antiretroviral…

A: Given,Moles of 3TC ( C8H11N3O3S ) = 7.43 x 10-4 mol.Molar mass of C8H11N3O3S = 229.26 g/mol.Molar…

Q: When the supply of oxygen is limited, iron metal reacts with oxygen to produce a mixture of FeO and…

A: Amount of iron = 20.00 g Amount of oxygen gas = 11.83 g Atomic weight of iron = 55.847 g We have…

Q: The reaction of sulfur powder (S8) with oxygen gas (O2) results in the formation of one of many new…

A: We know that, molar mass of O = 15.999 g/mol molae mass of S = 32.065 g/mol

Q: . A 67.0 g sample of a compound was found to contain 40.2 g of carbon, 3.00 g of hydrogen and 23.8 g…

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Q: Select the correct molecular mass of iron (III) oxide (Fe₂O3). A 159.70 g Fe₂O3 B C D 28.01 g Fe₂O3…

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Q: Which of the following will react with Mg (s)? a.Co(NO3)2(aq) b.FeCl2 (aq) c.NaC2H3O2(aq)…

A: More electropositive metal can replace less electropositive metal by redox reaction. In redox…

Q: 3. How many grams of oxygen are in 55.5 g of Fe₂O3? A. 16.6 g B. 5.57 g C. 1.86 g D. 15.3 g E. 138 g

A: The mass of the compound is 55.5 g.The chemical formula of the compound is Fe2O3.To find the grams…

Q: 24. The total number of sodium atoms in 46.0 grams of sodium is A. 3.01 x 1023 atoms B. 6.02 x 1023…

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Q: What mass of Al contains the same mumber of atoms as 3,.0g Pb a 23 g 6.0.014 g c 3.0 g d.0.39 g e…

A: Given : Mass of Pb = 3.0 g Since number of atoms of any element is given by, => Number of atoms =…

Q: A 3.17 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 4.34 x 1022…

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Q: Select the correct molecular mass of carbon dioxide A B C D 28.01 g CO₂ 44.01 g CO₂ 55.85 g CO₂ 22.4…

A: To determine: The molecular mass of CO2

Q: How many atoms Na are in 1.4 g of Na?     a. 3.7 x 1022 atoms Na   b. 1.0 x 10 -25 atoms Na…

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Q: What is the mass in grams of 4.57 mol of ammonium sulfite, (NH4)2SO3? b. 0.00393 g c. 254 g a. 53.1…

A: The moles of  given = 4.57 molThe mass of = ?

Q: How many grams of NaF are needed to form 485 g SF4? 3 SCI2 (1) + 4 NaF (s) → SF4 (g) + S2C12 (I) + 4…

A: Given that -  Balanced Chemical equation is -  3 SCl2 (l) + 4 NaF (s) ---> SF4 ( g) + S2Cl2 (l) +…

Q: Magnesium sulfate (M9SO.) O a. 1 O b. 2 О с. 3 O d. 4

A: Magnesium sulfate is an ionic compound. An ionic compound is made of cation and an anion. Here,…

Q: 1. Calculate the formula mass of (NH4)3ASO4. A. 417.80 amu B. 193.05 amu C. 165.02 amu D. 156.96 amu…

A: 1. Formula mass of a compound is the sum of the masses of all the atoms present in the compound.

Q: 1. 2 moles of Ar atoms contain how many atoms?           A.   1        B.   1.204 x 1024…

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

Q: An experiment was performed in lab to produce 10.3 grams of Ca(OH)2, however the calculations…

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Q: The density of water, H₂O(1), is 1.0 g ml.. How many atoms of oxygen are present in 2.5 L of pure…

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Q: How many oxygen atoms are there in 2.10 g of Al2(S208)3 (MW A12(S208)3 = 630.34 amu) %3D O a. 4.82 X…

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Q: How many gold (Au) atoms are there in a 10. g sample of that is 50% Au by mass?  a. 6.2 x 1022 b.…

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Q: - Which of the following nitrogen-oxygen masses is not consistent with the rest, according to the…

A: Since you have posted multiple questions, we are entitled to answer the first only.