Dimensional analysis Format'

Q: The active ingredient in aspirin is acetylsalicylic acid, which has the chemical formula . An…

A: The chemical formula of acetylsalicylic acid is C9H8O4. Given : Mass of acetylsalicylic acid in each…

Q: 3.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given:Mass of compound X           = 3.50 gMolar mass of compound X = 46 g/molMass of carbon dioxide…

Q: If 13.6 g of iron(III) oxide (rust) is produced from a certain amount of iron, how many grams of…

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Q: Which of the following has the most moles of substance? a. 10.0 g He b. 5.0 x 10²³ atoms Ne c.…

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Q: 13. How many oxygen atoms are in 225 g of O2? a. 4.23 x 1024 b. 6.84 x 1024 c. 8.47 x 1024 d. 1.69 x…

A: Number of Atoms of Oxygen can be calculated as -

Q: Use the References to access important values if needed for this question. For the molecular…

A: Here we have to determine the conversion factor to convert moles of PCl3 into number of molecules of…

Q: A compound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen…

A: We have to calculate the mass of C and H.

Q: A compound contains iron and bromine. A sample of the compound contains 3 g of iron and 11.39 g of…

A: A sample of the compound contains 3 g of iron and 11.39 g of bromine.  as mass is provided , we can…

Q: Jose mixed 10 grams of calcium phosphate and 10 grams of potassium carbonate in an aqueous…

A: Given,  10 grams of calcium phosphate mixed with 10 grams of potassium carbonate in an aqueous…

Q: Mass of crucible and cover is 43.92 g. The mass of crucible, cover, and magnesium is 44.62g. Mass of…

A: Empirical formula is the chemical formula  which represents the simple ratio of atoms of constituent…

Q: diagram. 9. In the following pairs of compounds, predict which is the stronger acid and explain why.…

A: A.                            Compound (i) has a methyl groups at 1 and 3 position that shows more…

Q: 4. Find the mass of 3.66 mol of N2, nitrogen gas.

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

Q: How many moles are present in 20.29 grams of X? (Assume that the molar mass of X is 32.95 grams per…

A: Mass of X = 20.29 g Molar mass of X = 32.95 g/mol To determine number of moles present of X

Q: A sample of ammonia, NH3, has a mass of 77.25 g. Calculate the number of ammonia molecules in the…

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Q: 8. A sample of a compound contains 15.60 g Mg and 10.27 g O. How many g Mg are in another sample of…

A: In the sample of magnesium oxide the amount of magnesium and oxygen is as follows: Mass of Mg =…

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: percent hy

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Q: you have 3.25 kg of water. How many moles of water do you have? the molar mass of water is 18.02…

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Q: Balance the chemical equation for the reaction of BaCl, and Na, SO.. chemical equation: BaCl, (aq) +…

A: First question you have answered is correct. The given reaction is a double replacement reaction.

Q: complete the following table for tnt trinitrotoleune

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Q: For the molecular compound phosphorus pentachloride, what would you multiply "moles of PCI5" by to…

A: To determine the multiplying factor to convert the moles of PCl5 to the number of molecules of PCl5.…

Q: How many moles of oxygen are produced when 30.0 moles of glucose, mol C6H1206, are formed? What unit…

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Q: How many molecules are in each sample? A. 2.8g H2O (Express your answer using two significant…

A: Given  (a)   Mass of H2O   = 2.8 gram         Number of molecule = ?  (b)  mass of N2 = 40.8 gram…

Q: 4.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

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Q: 3. It is found a certain sample of a compound contains 23.0g of sodium and 35.5g of chlorine. a.…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 14. How many moles of CC are in each of the following quantities? A. 79 gg of CC Express your…

A: Answer:- This question is answer by using the simple concept of calculation of moles using the given…

Q: 41) How many molecules of water are present in 54g of water?   A. 1.8x1024   B. 12x1023   C.…

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Q: Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

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: How many moles of CO2 are in 3.13 grams of CO2? Express in decimal form.

A: Given that: Mass of CO2 = 3.13 g Moles of CO2 = ?

Q: What is the mass of 15.16 moles of X? (Assume that the molar mass of X is 39.3 grams per mole.)…

A: Moles:   Miles is unit of measurement of substance. It is calculated as the mass of substance…

Q: 1. Potassium nitrate when exposed to heat decomposes to potassium oxide and gaseous nitrogen and…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: 24. Select the correct statement below. The percent composition (by mass) is the same for each…

A: The statements which are correct are, A) The percent composition (by mass) is the same for each…

Q: the mass of sulphur is 14.4 g calculate the mass of iron required to set up a reaction between these…

A: The equation for the reaction between sulphur and iron that produces iron sulfide is  Fe + S…

Q: How many moles are in 114.58 grams of Ba (SO4) A. 0.72 moles Ba (SO4) B. 18,290.4 moles Ba (SO4)…

A: Number of moles of substance =(mass given)/(molar mass) ----(1) Given data:  Mass of BaSO4…

Q: In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B.…

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Q: a) How many moles of methanol are present in the sample? b) Calculate the number of methanol…

A: Since you asked multiple questions, so as per Q&A guidelines of portal i solved first three part…

Q: QUESTION 30 The standard for atomic masses is based on O A. a kilogram of oxygen O B. hydrogen, the…

A: as per Q&A guidelines of portal I solve first question because it comes under multiple question…

Q: How many molecules are in the sample? 17 g C6 H12O6

A: No. Of molecules= (given mass/molecular mass) * Avogadro's no. Avogadro's no. is 6.023*1023

Q: For the following reaction, 0.342 moles of carbon( graphite) are mixed with 0.557 moles of oxygen…

A: Given, carbon(graphite)(s)+ oxygen(g)--> carbon dioxide(g) C(s) + O2(g) ----> CO2(g) moles of…

Q: A 115 g sample of dry ice, CO₂, contains how many moles? 3.22 x 103 mol 4.11 mol 28.0 mol 2.61 mol…

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Q: Consider this reaction involving an unknown element X. F₂ + 2XBr Br₂ + 2XF When 2.600 g of XBr…

A: Given: Mass of XBr = 2.600 g Mass of Br2 = 1.746 g Known: Molar mass of Br = 79.904 g/mol

Q: 3.)  Sand consists mainly of silicon dioxide. When sand is heated with an excess of coke (carbon),…

A: Here in the given Question we need to write the balanced equation for the reaction and have to find…

Q: Write the chemical formula for each compound, and then calculate the amount in moles in each sample.…

A: Given Mass of indium carbonate = 19.2 mg

Q: 8. To obtain pure lead, lead (II) sulfide is burned in an atmosphere of pure oxygen. The products of…

A: Here lead sulphide reacts with oxygen to give lead and sulphur trioxide.

Q: 6.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given,Mass of compound X = 6.50 gmolar mass of the compound = 192. g/molmass of product carbon…

Q: The molar mass of acetic acid is 60.1 g/mol. How many grams are in 3.5 moles of acetic acid? Do not…

A: Mass of any substance in a given mole of substance can be determined as below : Mass of substance =…

Q: 4.0 g of oxygen contains   A. 0.025 molar masses   B. 4.0 molar masses of oxygen   C. .02 x…

A: Here there is Oxygen atom so atomic mass is 16 g mol-1.