Chrom ium metal reacts with oxygen to give chromiu m(III) oxide, Cr2O3. (a) Write a balanced equation for the reaction. (b) What mass (in grams) of Cr2O3 is produced if 0.175 g of chromium metal is converted completely to the oxide? (c) What mass of O2 (in grams) is required for the reaction?

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A: Methylhydrazine, N2H3CH3 (l), is reacted with dinitrogen tetroxide, N2O4(l), to produce N2, CO2, and…

Q: What is the mass percentage of Cl in hydrochlorothiazide, C₇H₈ClN₃O₄S₂?

A:

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A: Given : Bi2O3 is a basic oxide , m = 6.77 g , V = 0.500 L Bi2O3 is known as Bismuth(III) oxide ,…

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Q: How many grams of sodium iodide, NaI, must be used to produce 56.2 g of iodine, I2?

A:

Q: What is the percentage composition of Cr2O3

A:

Q: 4. How many grams of chlorine will react completely with 9.650 grams of magnesium to produce 1.00…

A:

Q: The single largest use of phosphoric acid is in the production of fertilizer. How many grams of…

A: We will get stoichiometry of the reaction to get the answer

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Q: How many moles of manganomanganic oxide will react with 5.33 x 10^25 atoms of aluminum?

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Q: What mass of CO is required to react with 651 g of Fe2O3 ?

A: The balanced chemical equation for the given reaction is,

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A: The formation of SiCl4 from silicon and chlorine takes place by the following chemical reaction…

Q: Cr203. What mass (in grams) of Cr203 is produced if 0.147 g of chromium metal is converted…

A:

Q: Write a balanced chemical equation for the hypothetical reaction of liquid dichloromethane, CH2CI2,…

A: Given that : We have to write a balanced chemical equation of liquid dichloromethane, CH2Cl2, with…

Q: A sample of cesium metal reacted completely with water, evolving 2.028 mmol of dry H 2 at 19 degrees…

A:

Q: The oxidation state of chlorine in CIO is O A) -5. O B) +5. O C) +7. D) 0.

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Q: b. If 2.08 mol water are produced, then how many moles of hydrogen peroxide were used?

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Q: How many grams of nickel(II) nitrate are needed to produce 35.7 g nickel(II) phosphate in the…

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Q: What is the mass percentage of O in C3H8O2?

A:

Q: How many moles of H2O2 are produced in the production of hydrogen peroxide when 13 grams of oxygen…

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Q: what is a balanced equation for the reaction of nonane,C9H20 , with oxygen O2?

A: The reaction of nonane with oxygen is a combustion reaction.  In combustion reaction, a hydrocarbon…

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A:

Q: give the balanced equation for the combustion of liquid hexane (C6H14) in the presence of oxygen gas

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Q: Complete and balance: Manganese Sulfate + Aluminum Phosphate

A: We will write molecular equation, then balance it.

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A: The ignition of calcium oxalate can be described as follows: CaC2O4  →  CaCO3  + COCaCO3   →  CaO  +…

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A:

Q: What is the mass percentage of C in caffeine, C₈H₁₀N₄O₂?

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Q: b if [OH ] — 7.6 х 10 4 м then РОН =

A:

Q: How many tons of Ca3(PO4)2 are necessary to prepare 5.0 tons of phosphorus if the yield is 90%?

A: The reaction can be given as follows: 2Ca3(PO4)2+6SiO2+10C(s)→6CaSiO3+10CO+P4 The given percent…

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Q: For the reaction N, + 3H, 2NH, what is the Mole ratio of nitrogen to hydrogen? t. Mole ratio of…

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Q: What is the mass, in grams, of 4.06 1023 molecules of aspirin, C9H8O4?

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Q: How many moles of lithium hydroxide would be required to produce 83.5 g of Li:COs in the following…

A:

Q: The concentration of gold in seawater is 0.0027 ug/L. What mass of gold (in kg) is present in the…

A: Given: The concentration of gold in seawater = 0.0027 ug/L. Volume =  3.23 x 1011  km3  To…

Q: what is the mass percentage of C in hydrochlorothiazide, C7H8ClN3O4S2?

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Q: what is the mass percent of chlorine in C2Cl4F2

A: The given molecule is = C2Cl4F2 The mass percent of chlorine is =?

Q: What is the molecular weight of Cr(NO3)3 ?

A: Mass of chromium is 51.9961 uMass of nitrogen is 14.0067 uMass of oxygen is 15.999 u

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Q: What mass of sodium hydroxide ,NaOH, would be required to produce 5.97 g of the antacid milk of…

A: Answer :- The balanced chemical equation is -                     2 x 40 g                 58 g…

Q: theoretical yield

A:

Q: What is the molar mass of ginkgolide B (C 20H 24O 10), a complex compound isolated from the ginkgo…

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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.