5g of benzoic acid and 20ml of methanol react with 2ml of concentrated sulfuric acid in a 100ml round bottom flash to form 3.99g methyl benzoate, what is the theoretical yield, actual and percent yield? show work
Q: A 0.157g of a compound containing C, H, N and possibly O, yields 0.213g CO2 and 0.0310g H2O upon…
A: When the given sample burned in excess oxygen carbon dioxide and water are formed. All the hydrogen…
Q: I need help finding the therotical yield from this video. I tired it and i got 2.49 grams I do not…
A: The balanced chemical equation for the formation of Grignard reagent is: Bromobenzene(C6H5Br) +…
Q: Trial 1 0.063g 1. Mass of Mg consumed, g 2. Moles of Mg consumed, n Oml 3. Initial eudiometer…
A: Moles of Mg consumed Mass of Mg consumedAtomic mass of Mg=0.063 g24.3 g/mol=0.00259 mol
Q: L000 kg of calcium phosphate is made to react with 10% excess silica, SiOz and 90% excess carbon to…
A: The law of conservation of mass states that “ mass in an isolated system is neither created nor…
Q: Pre-lab Questions: 1. Calculate the amount (in grams) NaBH4 is in excess when 0.06 grams of it…
A: GENERALLY 1 MOLE OF NaBH4 will reacts with 4-mole of benzophenone
Q: Question: You mix 42.00 mL of 6.20 Pb(NO3)2 with 23.00 mL of 1.70 NaCl. A precipitate forms.…
A: The moles of the solution always remains constant. there is no effect of volume change or…
Q: Calculate the STP volume of O2 gas produced by the reaction of 500 ml of 1.2 M H2O2. Given:…
A:
Q: 2- Heat Decomposition mass Curve of sample S with mass 20.00 mg is shown below. Study the TGA…
A: Given, Mass of sample = 20.00 mg At each step the mass of the sample is getting deducted in a…
Q: Complete the stoichiometry table using the starting values provided. density vol. (g/mL) (mL)…
A: The number of moles of a substance is given as the mass of that substance upon its molar mass. The…
Q: 1. To complete the following table: a. Determine the initial concentrations (molarity) of S2032 and…
A:
Q: I have a stock solution of a drug that has a molarity of 10 millimolars. The desired working drug…
A: Given, I have a stock solution of a drug that has a molarity of 10 millimolars. The desired working…
Q: Trial 1 Mass of Sample (g) 0.127 Initial Buret Reading (mL) Final Buret Reading (mL) Volume of KMn04…
A: Moles of KMnO4 delivered till equivalence point = 0.000205 mol The balanced equation for the…
Q: Moist hydrogen containing 6 mole percent water is burnt completely in a furnace with 42 % excess…
A: The given reaction is, H2 + 0.5 O2 → H2O
Q: 2- Heat Decomposition mass Curve of sample S with mass 20.00 mg is shown below. Study the TGA…
A: A question based on TGA, which is to be accomplished.
Q: periment 1: Determine the Relationship Between the Volume and Pressure of Propane ded 1.000 atm…
A:
Q: I'm confused
A:
Q: Name: Section and Group: Date: Stoichiometry of Hydrate Decomposition - Lab Report Pay attention to…
A:
Q: Exp 4. Results Benzoic Acid Champi Sample Weight of sample 0.4997 g…
A: According to question, Benzoic Acid Champi Sample Weight of sample 0.4997 g 0.4107…
Q: Trial 1 Trial 2 20.1 ML 20.1 ML Volume of Na3PO4 solution: Volume of BaCl2 solution: 20ML 1G.99…
A: Given: Precipitate: Ba3(PO4)2 molar mass of Ba3(PO4)2 = 601.93 g/mol
Q: A gas leak caused the nitrogen supply to drop to 200g, will you still meet the product qouta? Prove.
A:
Q: Question 11 Balance the following reaction equation: C,H3CI + C,H3CI+02 CO2 + H2O+ 2HCI Write all…
A: When the number of the atoms involved in the reactants side is equal to the number of atoms in the…
Q: v Show Time Remaining ▼ A 0.45 M KBr solution OA contains 0.45 milliliters of KBr in 1 liter of the…
A: Molarity is defined as the number of moles of solute in 1 Liter of the solution. Molarity of…
Q: yield for trans-[IrCl(CO)(PPH3)2]? İrcl3•3H2O (0.105 g, 0.3 mmol), PPH3 (0.393 g, 1.5 mmol), aniline…
A: Calculation of percentage yield.
Q: SOLVE - 2 ? Na₂ Co₂ + 2 Call₂ -> ? Cal 03 (s) + mass of 0.0008 g mass of Сасоз = Volume of Call used…
A:
Q: Question 13 What could be the assumption when the MW of the sample does not match calculated…
A: Answer: This question is based on the colligative properties of the solution where on dissolving…
Q: You need to make 500.0mL of 3.50 M NaOH from a stock solution of 8.25M NaOH. How many mL of 8.25M…
A: Molarity of NaOH (stock Solution ) = M1 = 8.25 MVolume of stock solution (V1) = To be detemined…
Q: A tank with 43.2 kg of water is leaking at a rate of 0.0135 kg/s How many hours will it take until…
A:
Q: Task 3 The stoichiometric combustion of a fuel in air produces many flue gases that depend on the…
A: Let molecular formula of hydrocarbon will be C7H15S0.0625N0.0719O0.0625 Now, 1). CO2 under…
Q: What is the concentration of citrix acid in lime juice mm of citrix acid 192.14mol given : 2.07…
A: To find the Concentration of citric acid in lime juice We have given that No. of mole of citric…
Q: what is the % yield
A:
Q: IReview I Co (Pages 420- 425) Section 10.4 while Part A A syringe containing 1.66 mL of oxygen gas…
A: According to Charles Law,
Q: Why was the percentage recovery less than 100%? Give several reasons.
A: Introduction: Percentage yield: The ratio of actual yield to the theoretical yield represented in…
Q: ICan Do It Exercise 1: In the below setup, iron is added to acid in a flask fitted with empty…
A: The basis for above question is that iron is more reactive than hydrogen so it replaces hydrogen…
Q: EACTION STOICHIOMETRY Volume NaOH (mL) 21 30 40 16 Volume C₂H.O2 (mL) AT (°C) 29 5.3 20 10 1.9 34…
A:
Q: 4. How many of the following are found in 1500 mol of benzene (C6H6)? (MW of C = 12 and MW of H = 1)…
A:
Q: a pharmacist added 15 g of 20% w/w calamine cream to 300g of aquaphor. what is the percent stregth…
A: The given data contains, mass of calamine =15 g of 20% =15×20100=3 gmass ofaquaphor= 300 gMass of…
Q: Mixture Flow Problem A tank contains 2000 L of brine. Brine containing 5N/L of salt flows in at…
A:
Q: Part A. Write the balanced equation for the reaction that produced the gas in this reaction Trial 1…
A: Given: Partial pressure of water at 23 oC = 21.1 mmHg = 0.0277 atm
Q: In the reaction of propane gas fuel with 20% excess air, if 2 moles of CO, product, Determine the…
A: 20 % excess air (120 % theoretical air) is used. C3H8 + (1.2) a(O2 + 3.76 N2) => 3CO2 + 4(H2O) +…
Q: LAB 06 Mole to Mole Relationship between Cu and Ag Lab-procedures-notes-Help Lab Results Record and…
A:
Q: Reactant: Na2CO3 TEST TUBE A, B, C TRIAL A…
A: Hello, since you had submitted more than three sub-part in a question, so first three sub-parts…
Q: set up the chemical equation for combustion ethyl alcohol (C2HO) on 15% excess air . show the masses…
A: Chemical Equation for the combustion of Ethyl alcohol is as under C2H5OH + 3O2 --> 2CO2 + 3H2O…
Q: IMOLK Data, Trial 2 Ideal Gas Law-PV=nRT Molarity of HCI (M): Data, Trial 1 3.00M 3.00 M Volume of…
A: Hii there, As there are multiple question posted. we are answering first question. If you need…
Q: Which salt did you test Ammonium nitrate Endothermic Salt Trial 1 Mass of Salt Used (g) Moles of…
A:
Q: Trial 1 Trial 2 1-Mass of empty evaporating dish 55.312 g 55.315 g 56.619 g 56.018 g 56.448 g 2-…
A: The mass of MgSO4 can be calculated by subtracting the mass of empty evaporating dish from the mass…
Q: [References) Ethene is converted to ethane by the reaction Catalyst C,H (9) + H2 (9) CHe (g) C2H4…
A: Given data: P = 25.6 atm T = 280oC = 280 + 273 = 553 K flow rate of C2H4 = 1100 L/min flow rate of…
Q: Analysis of product: Calculate the percent recovery based on the amount of tea originally used and…
A:
Q: 4. Wheat moisture content is needed to be adjusted (desired) to 15%. However, during flour milling…
A: NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want…
Q: Trial 1 Mass of Sample (g) 0.127 Initial Buret Reading (mL) Final Buret Reading (mL) Volume of KMNO.…
A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…
5g of benzoic acid and 20ml of methanol react with 2ml of concentrated sulfuric acid in a 100ml round bottom flash to form 3.99g methyl benzoate, what is the theoretical yield, actual and percent yield? show work
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 4 images
- A student obtained 2.111 g of a mixture containing four components. After performing separation by chemical and physical methods, the student obtained the following mass data: Component 1: 0.486 g Component 2: 0.317 g Component 3: 0.127 g Component 4: 0.929 g Calculate the total percent recovery of the mixture. (Please show work)A certain mineral contains the substance Cu(NO3)2 .Cu2SO4. Cu3N2. The copper present in a 1.5000g sample of this mineral is analyzed by adding aqueous ammonia to precipitate the copper as Cu(OH)2 and then incinerated and weighed as CuO. What is the weight percentage of Cu in this mineral if 0.85g of CuO were obtained? Please answer fast I give you upvote.You need to make 500.0mL of 3.50 M NaOH from a stock solution of 8.25M NaOH. How many mL of 8.25M NaOH must be delivered into a 500.0mL volumetric flask to produce a 3.50 M solution?(Show all work.)
- Calculate the mass/volume percent (m/v) of KCl in a solution prepared by dissolving 2.50 g of KCl in enough water to give a final volume of 40.0 mL. Show Work Calculate the mass percent (m/m) of solute in a solution that contains 0.20 g of NaCl in 20.0 g of H2O: Show WorkA gas leak caused the nitrogen supply to drop to 200g, will you still meet the product qouta? Prove.Balance each of the chemical equations shown below. Be sure to include values of 1 for any species that only have 1 equivalent involved in the reaction (i.e. empty inputs DO NOT correspond to the value "1"). Use integers for ALL coefficients.
- A mixture of Al2O3(s) and CuO(s) weighing 18.371 mg was heated under H2(g) at 1 0008C to give 17.462 mg of Al2O3(s) 1 Cu(s). The other product is H2O(g). Find wt% Al2O3 in the original mixture.Question: You mix 42.00 mL of 6.20 Pb(NO3)2 with 23.00 mL of 1.70 NaCl. A precipitate forms. Assuming the reaction has a 100% yield. How many grams of precipitate are formed? (I had this answered twice before, but both provided different answers which makes me suspicious. please double check work) Answering process (VERY IMPORTANT): please make sure that you answer in this format, so that I can understand the process best. - What are you solving for? What should be the units of your final answer? - What information are you given? - What information do you need? - How will you connect the information you have and the information you need to solve this problem? (Provide a unit plan) - Solve the problem. Be sure to show all units and write clearly - Does your answer make sense? How do you know?Analysis of product: Calculate the percent recovery based on the amount of tea originally used and a final mass of 0.20g of caffeine obtained. Compare this value against a literature search about the approximate caffeine content by percent in black tea. Given: the observed melting point of the product crystals is 230oC-235oC -10 tea bags (black tea, contains ~45mg caffeine/bag) -total mass is 21.10g of the loose black tea
- I have a stock solution of a drug that has a molarity of 10 millimolars. The desired working drug concentration is 10 micromolars. Using DMSO as my solvent, what volume of DMSO and the drug should I use to turn the 10 millimolars stock solution to 10 micromolars? Show all work please.Deionized water is added to a 138.0 mL sample of 1.103 M oxalic acid to dilute it to 0.436 M. What volume of water, in mL, was added to dilute the sample? Round answer to correct sig figs.Give typed full explanation After heating 1.1929g CaCO3 and MgCO3 for some minutes the mass of the mixture decreased to 0.8015. The %comp of CaCO3 turned out to be 54.29% and MgCO3 %comp is 45.71%. Calculate the percent error/percent yield.