1. a) calculate % by mass of naphthalene, 3-nitroaniline and benzoic acid in original sample 1. b) calculate total mass of three recovered components (g) 1. c) calculate total percent recovery (%)

Q: B/ Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass…

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Q: Condensed Molecular Name: Sketch Structural Formula Formula CH, CH, b.p. = -164°C [natural gas]…

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Q: Why could it be possible to get a percent recovery greater than 100%?     The compound was not…

A: Usually, the percent yield is lower than 100% because the actual yield is often less than the…

Q: Sample When 1.576 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus,…

A: Empirical formulas show the simplest whole number ratio of atoms in a compound whereas  molecular…

Q: 5. Determine the empirical and molecular formula for the following compounds. a. A pure compound is…

A: Hello. Since the question contains multiple sub-parts, the first sub-part will be only answered. In…

Q: Determine the theoretical yield of a substa nce if the actual yield is 3.5g and the percent yiebd is…

A: Percentage Yield = (Actual Yield / Theoretical yield ) * 100%   Problem-1 Actual yield = 3.5 gm…

Q: How to use mass percent composition as a conversionfactor ?

A: The mass percentage determines the composition of the compound that is present in the substance.…

Q: Calculate how many moles of CaCl2•2H2O are present in 1.50 g of CaCl2•2H2O and then calculate how…

A: Initial mass of calcium chloride di-hydrate = 1.50 g Molar mass of calcium chloride di-hydrate =…

Q: A alkaloid compound contains 74.02% C, 8.710% H and 17.27% N. The empirical formula of the compound…

A: Given:  Weight % of carbon = 74.02 %  Weight% of hydrogen = 8.710 %  Weight % of nitrogen = 17.27 %…

Q: Please answer a-c

A: (a) To calculate the moles of water lost, As per the given information, Mass of water lost is 0.351…

Q: Given the empirical formula of NO2 and a molecular weight of 92.0 g/mol, what is the molecular…

A: atomic mass  N = 14 , O= 16

Q: Determine the molecular and empirical formulae for the two molecules shown below: CI CI H H…

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Q: The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2%0 At. wt. C= 12 g/mol O=…

A: The ratio of the distinct atoms which are presents in a compound in form of simplest positive…

Q: what is the percent by mass

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Q: Compute: % of S in magnesium sulfite. O a. 23% O b. 31% O c. 27%

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Q: H. C. H CH3 N. C. C. H. H-C-c H. H. H. H.

A: Condensed structural formula are designed to be written in a single line as in a text form. In…

Q: A 4.64 g sample of a laboratory solution contains 1.47 g of acid. What is the concentration of the…

A: The mass of the sample is = 4.64 g The mass of acid in the sample is = 1.47 g The mass percent of…

Q: Question: Calculate the number of moles in: 0.00100 g monochloromethane (CH3Cl).

A: Calculate the molar mass of monochloromethane (CH3Cl),      Molar mass of CH3Cl = 12.011 g × 1g1 mol…

Q: 10) Calculate the moles of magnesium ( Show your calculation

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: 2.) 2 C₂ H₂(g) +50₂(g) → 4 (0(g) +₂H₂O(g) quantity 1.6 moles of C₂tl₂ Units desired moles of 0₂…

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Q: Can you please fill the data as well.

A: Chemical reaction between KHC8H4O4 and NaOH is given by,1 mole of KHC8H4O4 react with 1 mole of…

Q: QUESTION 2: How much Pareactant will be needed to produce 105.8g of tetraphosphorus decaoxide…

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Q: Based upon the following balanced equation: MnO2s) + 4 HClg - MnCl2{aq) + 2 H2OM + Clze) How many…

A: Hello. Since the question contains multiple parts, the first part is solved. In case the solution…

Q: Question 7 of 16 Nitrogen gas can be prepared by passing ammonia over copper(II) oxide, and the…

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Q: / Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass of…

A: Determination of empirical formula  The percentage composition of elements present in given compound…

Q: 1) You have 3 moles of cyclohexene (density 0.811 g/mL, MW 82.15 g/mol) and react it with 15 moles…

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Q: Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid…

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Q: Peak A has a height of 150 mm and a width at half height of 8.5 mm. Peak B has a height of 116 mm…

A: The % composition of a component can be calculated from the area of peak by the following formula: %…

Q: 1) Sasha has 4.83 x 1034 molecules of Ammonia (NH3). How many moles of Ammonia does Sasha have?

A: We are given molecules and of ammonia and we have to tell moles

Q: Please show the proper calculation of the above answer how 17.72% as it creates a lot of confusion…

A: The objective of this question is to show the calculate a percentage, divide the part by the whole…

Q: How many grams of water are represented in 800 g of MgSO4*7H2O? MW of MgSO4*7H2O = 246 g/mole MW of…

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Q: CALCULATIONS: SHOW COMPLETE "SET-UPS" (and the rounding off) for all calculations on the bottom of…

A: The synthesis reaction is PbO + H2CrO4 -> PbCrO4 + H2O One mole of lead oxide gives one mole of…

Q: If you did not properly dry the beaker before adding the sample, how would this influence the final…

A: It is given beaker is not properly dry before adding the sample.

Q: 2.9g of beta-napthol and 1.65g of KOH were dissolved in 20ml of methanol with 1.8 ml of etl in a…

A: Theoritical yield is 3.101g Percent of yield 15.15%

Q: Determine the empirical formula for C,H O. A) C,H,O B) C,HO C) C,H,O D) CHO E) C„HO,

A: The Empirical formula gives the combining ratio in its simplest form.

Q: Calculate the % composition (by mass) of carbon in. C2F3C!3? Report answer to two decimal places and…

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Q: Use the sample experimental data to calculate the mass of residue (BaCl2)  Mass of pan 15.110 g…

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Q: b) Calculate the equivalent weights of the following compounds. (i) H₂C2O4.2H₂O i) Ka Cra 07 MnSO4…

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

A: C(s) + O2(g) ---> CO2(g) mass of Carbon (C) reacts = 31.9 g Excess reactant: oxygen gas (O2)…

Q: Excess sodium phosphate is mixed with 641.2 mL of strontium chloride at a concentration of 0.492…

A: Given concentration of SrCl2 = 0.492 mol/L  Volume of SrCl2 in mL = 641.2 mL  Percent yield of SrCl2…

Q: Suppose 7.5 g of Compound A are consumed in a rection with excess 1.5 g of Compound в that produces…

A: To solve this problem we will use Law of Conservation of mass . According to this law Mass of…