Mass percentage of Li = = 59.8%. It is a fast ion conductor and it has also been studied as an anode material for batteries. how many moles of cuso4? Molar mass of Li3N = 34.8297 g/mol. your answer s... Why was pennsylvania founded, why. (hint: molar mass of cuso4 = 159.6 g / mole. Chemistry Q&A Library When heated, lithium reacts with nitrogen to form lithium nitride: 6Li(s) + N2(g) → 2Li3N(s) What is the theoretical yield of Li3N in grams when 12.1 g of Li is heated with 33.0 gof N2? c) is the solution acidic, basic, or neutral? g if the actual yield of li3n is 6.41 g, what is the percent yield of the reaction? If the actual yield of Li3N is 5.89 g, what is the percent yield of the reaction? Explanation: New questions in Chemistry. the mass of the empty crucible and lid was found earlier to be 22.652 g. he then heats the crucible to expel the water of hydration, keeping the crucible at red heat for 10 minutes with the lid slightly ajar. Molecular weight calculation: 6.941*3 + 14.0067 ›› Percent composition by element (Li = 6.94 amu, N = 14.01 amu) - the answers to estudyassistant.com (Li = 6.94 amu, N = 14.01 amu) - the answers to estudyassistant.com The formula used for mass percentage of an element in a compound is: Atomic mass of Li is 6.94 and atomic mass of N is 14.0. you may convert the mass of cuso4 to moles. mass percentage =. #"Li"_3"N":# #(3xx6.941 "g/mol Li") + (1xx14.007"g/mol N")="34.83 g/mol Li"_3"N"# Limiting Reactant Divide the mass of each reactant by its molar mass, then multiply times the mole ratio from the balanced equation with the product on top and the reactant on bottom, then multiply times the molar mass of #"Li"_3"N"#. 3) Which statement about diluted solutions is false? Answer to: When heated, lithium reacts with nitrogen to form lithium nitride: 6Li(s) + N2(g) arrow 2Li3N(s) a. ›› More information on molar mass and molecular weight. H Li3N is used when both chemicals are mixed together. then do the calculation I showed you in 1c and 2c. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Freon-12 has been banned and is no longer used as a refrigerant because it catalyzes the decomposition of ozone and has a very long lifetime in the atmosphere. In … 1 Questions & Answers Place. Enter a chemical formula: Browse the list of common chemical compounds. This problem has been solved! What root of x does the expression (x^3/8)^z/3 yield? F2(g) + NH3(g) „³ N2F4(g) + HF(g) a. 5 years ago (12.8 g Li) / (6.9410 g Li/mol) = 1.8441 mol Li (34.9 g N2) / (28.01344 g N2/mol) = 1.2458 mol N2. on colling, he finds the mass of crucible, lid, and contents to be 23.403 g. the sample was changed in the process to very light clue anhydrous cuso4. Solve for x. x = 5.89263 which would be 5.89g. 1 Answers. _____g What is the percent yield of the reaction if the actual yield of Li3N is 5.89g ?_____% Li3N , what is the maximum amount of Li3N which could be formed from 11.79 g of Li and 17.08 g of N2? - 3949476 If the actual yield of Li3N is 5.09 g, what is the percent yield. Lithium If I am not can you . ›› Li3N molecular weight. he weighs the sample in a dry covered porcelain crucible and got a mass of 23.875 g for the crucible, lid, and sample. Chemistry. Another way to prevent getting this page in the future is to use Privacy Pass. a. Nonelectrolytes do not dissociate in water. Lithium nitride, Li 3 N is an interesting salt. Lv 7. Question: What Is The Theoretical Yield Of Li3N In Grams When 12.3 G Of Li Is Heated With 33.6g Of N2? Mass percent; Lithium: Li: 6.941: 3: 59.7852: Nitrogen: N: 14.0067: 1: 40.2148: Mass percent composition: Atomic percent composition: Sample reactions for Li3N. if there are again 100.0 g of hydrate, how many grams of cuso4 are in it? Li + N2 = Li3N. 80.1% = 4.72/x x 100. Problem: When heated, lithium reacts with nitrogen to form lithium nitride6 Li(s) + N2(g) → 2 Li3NWhat is the theoretical yield of Li3N grams when 12.3 g of Li are heated in excess N 2 ? Asked By adminstaff @ 18/10/2019 01:17 PM. Answer Save. Assume an excess of nitrogen. Be sure to answer all parts. d. Most nonelectrolytes are ionic compounds. (This is a limiting reactant problem first). help!! Please enable Cookies and reload the page. 6Li (s) + N2 (g) ️ 2Li3N (s) what is the theoretical yield of Li3n in grams when 12.6 of Li is heated with 34.4 g of N2? 6Li+N2 = 2Li3N . Li3N is the formula for the compound Lithium nitride. the ions in solute supperate from eachouthere, What’s a special glass that most beakers are made of, Astudent is given a sample of a blue copper sulfate hydrate. 58.3 g. c. 30.3 g. d. 121 g. 2) What statement is true about nonelectrolytes? Asked By adminstaff @ 18/10/2019 01:16 PM. D) 1/3 mole Li3N E) 1/2 mole Li3N. When a solution is diluted . H is the chemical symbol for hydrogen on the Periodic Table of Elements. of moles of Li₃N formed = (1.77 mol) × (1/3) = 0.590 mol Theoretical yield of Li₃N = (0.590 mol) × (34.83 g/mol) = 20.5 g Percent yield of the reaction = (2.05/20.5) × 100% = 10% There are three Li in the given compound. The reaction of fluorine with ammonia produces dinitrogen tetrafluoride and hydrofluoric acid. Relevance. Moles Li = 3.50 g / 6.941 g/mol = 0.504 the ratio between Li and N2 is 6 : 1 moles N2 required = 0.504 / 6=0.0840 we have 3.50 g / 28.0134 g/mol=0.125 moles of N2 so N2 is in excess the ratio between Li and Li3N is 6 : 2 moles Li3N = 0.504 x 2 / 6=0.168 1. initially for every 8 tokens you had, your friend had three. Equation : Reaction type: Li 3 N + NH 4 NO 3 = LiNO 3 + (NH 4) 3 N: double replacement: Li 3 N + H 2 O = NH 3 + LiOH: double replacement: Li 3 N = Li + N 2: decomposition: Formula in Hill system is Li3N: Computing molar mass … Cammie goes to the gym to exercise 4 times per week altogether how many times does she go to the gym. Get an answer to your question “What is the percent of n in li3n ...” in Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. This compound is also known as Lithium Nitride. You will need to solve 2 stoichiometry problems. Describe how you would find an object that is about 8 inches long... 2.077× (10 to the -4th power) in scientific notation... Dec 14, 2015 - you and a friend each have a collection of tokens. Aristotle influenced medieval times. Hence, the percentage of Li in is 59.8%. ), Particle model to predict what will happen if a sharp object creates a hole in the soccer ball. Convert grams Li3N to moles or moles Li3N to grams. Hence, the percentage of Li in is 59.8%. jamiemackenzzzie jamiemackenzzzie Answer: 40.2%. Solution for What is the % yield of Li3N given that the actual yield is 5.89g as well as 12.3g of Li and 33.6g of N2 ? 20.3 g Li3N work it out -- 1.75 mol Li x 2mol Li3N / 6 mol Li x 34.7 g Li3N/ 1 mol Li3N = 20.24 g Li3N A strong electrolyte is one that ____ completely in solution and conducts electricity. 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? Determine the percent yield. So ignore that for now . Hence, the percentage of Li in is 59.8%. 1 Answer. What is the theoretical yield of Li3N in grams when 12.3 g of Li are heated with 33.6 g of N2? • Maximum no. Mass of compound = 20.82 + 14.0 = 34.82. Try this by yourself and good luck! No. See the answer. 6 Li(s) + N2(g) → 2 Li3N(s) a. Mass percentage of Li = = 59.8%. So it takes 6 Lithium to react with 1 Nitrogen gas (2 Nitrogens) to form 2 Li3N. Atomic mass of Li is 6.94 and atomic mass of N is 14.0. So what it is saying is of what you expected to have at the end you have 80.1% of it. 1.77 mole Li produces 1.77 * 1/3 = 0.59 mole Li3N 0.59 mole Li3N = 0.59 mole * 48.8364 g/mole = 28.81 g 28.81 g is the theoretical yield of Li3N % yield = actual yield/theoretical yield * 100% Mass of compound = 20.82 + 14.0 = 34.82. Explanation: The question asks to calculate the mass percentage of Li in . If the cap on a bottle of 1.0 M NaCl is left off for several days, the concentration of NaCl Your IP: 66.70.255.14 2. • describe how these ideas influenced aquinas and the medieval philsophers. Add your answer and earn points. what per cent of the hydrate is cuso4? So balance 6Li + N2 = 2Li3N. so that would be your actual = 4.72g, Percent yield = actual/theoretical x 100. Which is the symbol of this nuclide? There are three Li in the given compound. Solve the following system of equations by using the elimination method. So, the mass of Li in the compound is = 3 (6.94) = 20.82. 1 Answers. Correct answer to the question Reaction type Li + N2 Li3N - e-eduanswers.com 10 points If the actual yield of Carbon dioxide is 2.50 g, what is the percent yield for the reaction? describe the ideas inspired or borrowed from aristotle. The one that gives the smallest yield of Li3N is the correct one to use. b. Nonelectrolytes conduct electricity. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Li: 6,941: 3: 59,7852: Stickstoff: N: 14,0067: 1: 40,2148: Mass percent composition: Atomic percent composition : Sample reactions for Li3N. Thanks. Chemistry. Cloudflare Ray ID: 60a7d6e79be271a7 Mass Percent: Lithium: Li: 6.941 : 1: 100.000% ›› Calculate the molecular weight of a chemical compound. There are three Li in the given compound. You may need to download version 2.0 now from the Chrome Web Store. Does the percentage of oxygen in the air decrease as altitude increases PLZ HELP ASAP 20pts. g If the actual yield of Li3N is 6.33 g, what is the percent yield of the reaction? What is the percent of n in li3n See answer ayllalf6222 is waiting for your help. so … One uses 12.3-g of Li to find theoretical of Li3N, the other uses 33.6-g of N2 to find the theoretical yield. And millions of other answers 4U without ads. So, the mass of Li in the compound is = 3(6.94) = 20.82. How many grams of Li3N can theoretically be produced from 1.77 moles of Li? How many moles of aluminum oxide AI203 can be produced from 12.8 … friend... View a few ads and unblock the answer on the site. I got 19.72 g as my final answer and I just want to make sure I am correct. Chemistry . What is the theoretical yield of Li3N in grams when 12.3 g of Li is heated with 33.6g of N2? 40.6 g. b. c. Nonelectrolytes dissolve in water to produce ions. How many moles of Li3N can be formed from 1.0 mole of Li? when heated, lithium reacts with nitrogen to form lithium nitride: 6li(s) + n2(g) → 2li3n(s) what is the theoretical yield of li3n in grams when 12.5 g of li is heated with 34.1 g of n2? Roger the Mole. 6 Li + N2 ---> 2 Li3N. When heated, lithium reacts with nitrogen to form lithium nitride: 6Li+N2 --> 2Li3N What is the theoretical yield of Li3N in grams when 12.4 g of Li … Outline the steps needed to determine the percent yield of a reaction that produces 12.5 g of CCl 2 F 2 from 32.9 g of CCl 4. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Atomic mass of Li is 6.94 and atomic mass of N is 14.0. Answer: 2 question What is the percent of Li in Li3N? Find answers now! You must show your work. s g s. 6 Li() + N2() → 2 Li3N() A) 1/6 mole Li3N B) 1/5 mole Li3N C) 1/4 mole Li3N. Performance & security by Cloudflare, Please complete the security check to access. after you give half of your tokens to your. Best Answer 100% (2 ratings) Previous question Next question Get more help from Chegg. asked by Missy on September 14, 2010; Chemistry. So, the mass of Li in the compound is = 3 (6.94) = 20.82. Mass percent; Lithium: Li: 6.941: 3: 59.7852: Nitrogen: N: 14.0067: 1: 40.2148: Mass percent composition: Atomic percent composition: Sample reactions for Li3N(s) Equation: Reaction type: Li 3 N(s) = Li(s) + N 2 (g) decomposition: Formula in Hill system is Li3N: Computing molar mass (molar weight) To calculate molar mass of a chemical compound enter its formula and click 'Compute'. A radioactive nuclide has 53 protons and 78 neutrons. , Why, or neutral for the compound is = 3 ( 6.94 ) = 20.82 + 14.0 34.82. ) which statement about diluted solutions is false This page in the compound =...: 2 question what is the percent yield for the compound is = 3 ( 6.94 ) = 20.82 formed! At the end you have 80.1 % of it ASAP 20pts by cloudflare, complete. Then do the calculation I showed you in 1c and 2c the list of common chemical compounds to getting! 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From the Chrome web Store ^z/3 yield, 2010 ; Chemistry in Li3N diluted. Of Elements security by cloudflare, Please complete the security check to access points if actual!