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Using density, converting grams to moles, and calculating yields for reactions.All video credits are on YouTubeHyperlink Address (cut and paste if hyperlink fails) ...

Question

Using density, converting grams to moles, and calculating yields for reactions.All video credits are on YouTubeHyperlink Address (cut and paste if hyperlink fails) Making_Salicylic https:[ www youtube com/watch?v_pGWMvDHrNkoxt_885 Acid Pt 1 Making_Salicylic https LIww Youtube com/watch?v_GcOAMtPea84 Acid Pt 2 NCSSM Aspirin https:/ wwwyoutube com/watchZv_Y4NMpOLxI8u8t_L1S Synthesis Master Chemist https LLwww youtube com/watch?v=/_OZWAYX_F8 Video FeCh_Test https:LLwww youtube com/watch?vzULqQepM-R

using density, converting grams to moles, and calculating yields for reactions. All video credits are on YouTube Hyperlink Address (cut and paste if hyperlink fails) Making_Salicylic https:[ www youtube com/watch?v_pGWMvDHrNkoxt_885 Acid Pt 1 Making_Salicylic https LIww Youtube com/watch?v_GcOAMtPea84 Acid Pt 2 NCSSM Aspirin https:/ wwwyoutube com/watchZv_Y4NMpOLxI8u8t_L1S Synthesis Master Chemist https LLwww youtube com/watch?v=/_OZWAYX_F8 Video FeCh_Test https:LLwww youtube com/watch?vzULqQepM-Rxg Total Length 9.07 7.57 5.35 5.00 1.02 Making Salicylic Acid, Part 1 (of the first step in our synthesis) Time (0:05) A "Variac" control is a brand name for a common laboratory variable voltage transformer, a device that converts AC current to DC, ad also controls the voltage of the electricity. At a low setting, the low voltage allows less current to flow through a heating mantle, and it doesn't heat much. At higher settings, more voltage allows more current to flow, and the heating mantle gets hotter. Time (1:00) She doesn't identify the solid formed, and it may be the sodium salt of the 28



Answers

Aspirin or acetyl salicylic acid is synthesized by reacting salicylic acid with acetic anhydride: $$ \mathrm{C}_{7} \mathrm{H}_{6} \mathrm{O}_{3}+\mathrm{C}_{4} \mathrm{H}_{6} \mathrm{O}_{3} \quad \longrightarrow \mathrm{C}_{9} \mathrm{H}_{8} \mathrm{O}_{4}+\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2} $$ $\begin{array}{lll}\text { salicylic acid } & \text { acetic anhydride } & \text { aspirin } & \text { acetic acid }\end{array}$ (a) How much salicylic acid is required to produce $0.400 \mathrm{~g}$ of aspirin (about the content in a tablet), assuming acetic anhydride is present in excess? (b) Calculate the amount of salicylic acid needed if only $74.9$ percent of salicylic acid is converted to aspirin. (c) In one experiment, $9.26 \mathrm{~g}$ of salicylic acid is reacted with $8.54 \mathrm{~g}$ of acetic anhydride. Calculate the theoretical yield of aspirin and the percent yield if only $10.9 \mathrm{~g}$ of aspirin is produced.

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Occident is equal to seven into Mullen must've carbon Mistral 70.11 ground Permal plus six into Muller muscle for drugs in his 1.8 grand Permal plus three into modern months off oxygen is 15.999 down on the moon. So they calculated Moller myself, Selous a colleague, as it is equal to 1 38 point. We went toe to good on Thermal and the myself Sally, say Colleague s it its seat myself Silly psychedelic is it is equal to number of Moore's off Sally. Say Kelly, guess it into Mordor myself. Cell is a colleague is it is it will do Number of more subsidy Circulate s cities two in doof toe point due to into 10 raised to the polar Ministry malls into one Terry it point. I went to two grand for wool. Mr. Moreland myself said, It's actually gets it the calculated myself Silly cycle. I guess it is zero point trees, you know, salmon. But, um, in given information for part B si seven if 603 bless, see for it Seeks or tree into C nine. It's it Go for less C two h four or two from part A bean. We know that we need we need 0.3 07 But I'm, uh, silly say Gaelic is it? Now we will find the Imam Duff silly psychically as you needed. If keep on Lee 74 0.9%. Oh, Sally saying Kelly issued these can virgin too, converted to a spear in. So if 0.307 good arms is 74.9% distorting this starting 100% would it be would be myself Silly cycle lead Acid music will do 0.307 grand divided by 74 point 9% into 100% is equal to zero point 410 grand. The completed myself sadly say killing is it so the starting myself Silly Sokolich s. It should be zero point for 10 ground given information for Farsi si seven it six or tree plus. See for it Seeks or three c nine It it 04 plus c do each four or do the most off slowly psychedelic is it is myself. Silly psychedelic Isett is equal to 9.26 Wrong. I mean the most off it's Santic in hind, right? He's myself is a chicken hydrate. Physical too. 8.5 foreground. In the actual Hield Love s spring he's then point nine go. We have to find that he already go wheeled off a spring in the percent yield. First, we will find the limiting reactant. And so the psych, the cell recycling Isett Mullah Omar's he's from But A is 1 80.15 nine that, um, but I'm one the esprit in Molar, Mass. As billing more than Tomas is from. But he he's 1 80 0.1 fire, nine ground bottom, all in tears. OD d myself. Certainly Seguela Guess it the Muller myself selling cycle. I guess it is from Bart is 138 1 38 0.1 to 2 g per mole. The aesthetic in Hyde right molar Mass is more than myself in high, right in hind, right? Ascetic music will do for into Moller myself. Carbon bless six into more than myself, hydrogen less shea into modern myself. Oxygen is equal to four into monogamous of carbon ease, 2.11 ground barmal plus six into Muller. Myself, hydrogen is 1.8 ground Barmal less. Three. Intramural almost oxygen is 15.999 ground, but more is equal to the calculated Moeller myself is a tick in hydrate is 10 through 100.0. It's nine ground, but more the number. Morel's off the Celis Savior Leak. Yes, it is number more love. Silly Cycle week Isett is it 12 given myself silly family s it divided by more than myself, Sandy say Kelly. Yes, it is it 12 given must seize nine point tour six. Bram divided by the molar masses 1 38 point when to go to ground for moon is equal to see explained seven Digital into 10 Raised to the power money store More in the number of more self citic ane hydrate is in Citic in high dried peas number more self This attic in I write is equal to must And Sadiq in Hyde, right? Divided by more than myself Ascetic in I'd write is equal to myself acidic and hydride Is it joined by Forge How divided by Moeller myself A citic in hydrate is 102 point 089 Damn, but moon is equal to it. Going 37 into Kendra's to recover minus toe More is the calculated more stuff. It's a dip in hydrate and since one mole off Sally Seguela. Guess it really exit with one mole off ascetic in Hyde, right? 6.70 into 10. Raised to the Power Ministro mall offset cycle it is. It will react with 6.70 into 10 raised to the power minus two. Mullah aesthetic in hydrate dear for the limiting, Regency's sadly say Kelly. Yes, it So here, Dear for daily meeting, Maria Dandy's solely sigh Callie Acid and one more laugh. So this is like a like a seat produces one mole off a spring hands, 6.70 in tow. 10 Rest of the power minus two more self silly secular guess it will produce 6.70 into 10 raised to the power minus two moles of a spring. Now we can find that you were to go yield off spring and so that your It eagle wield is it will do six point 70 into Kendra's to devour minus stool more into 1 80.159 that I'm. But a more is equal to to WellPoint 07 go. Therefore, in the person yield is the percent yield is equal to that actual, he yield divided by, uh two Ready? Go. The old into 100 person is it will do the actual your is 10.9% divided by the terror tickle guilties to well 0.7 The actual guiltiest 10.9 drum in the political religious school 0.7 grand in 200% is it will do 90 Going three person is the person killed. So the result is that you critical yield off is three knees. Spring is we're 0.7 g and look purse end yield off s spring is 90 pine tree percent the 60 by now result

Starting with option A first off all we need to balance the first equation so the first equation can be balanced as to see it. Three. Sea or toe us n e a. To seal chri gives out to ch three c 02 Let's see or two less water. The second equation is already balanced, so so we need no confession, Toby added. We want to option B for option B. First off, all we need to convert one gallon off ascetic acid into number of moves off ascetic acid, so number off moles and will be equal to so one gallon multiplied with 3.78 by four. Leaders multiplied with 1000. Emily multiplied with one point. Siegel, 49 grams on duh. One more divided by 60 grams by one Emily. One leader on We have one God so canceling out the number off moles is 6 36.18 More. Now we need to calculate the mass off sodium carbonate in kilograms so the mass will be equal. Do we have 66.18? Mole multiplied with one more off any toe seal. Three divided with two moles off. See, it's three seal toe edge multiplied with 106 grams off any, too. See you three divided by one more off any too CEO. Three. Continuing. We have one kilogram divided by 1000 rounds, so the mast off any to see a tree turns out to be three point 508 kilograms For the wrong, we need to calculate the mass off sodium hydrogen carbonate so the mass over here can be calculated as em for in a H. C. 03 will be equal to 66.18 morel off ch three sea or toe, which multiplied with one move off any edge. Seal three divided by one mole. See, it's three cierto edge, 84 grams. So 84 rounds off, ending H C 03 divided by one more off in its history. Continuing one kilogram divided by 1000 grams. The mast off sodium hydrogen carbonate turns out to be 5.55 mine kilogram

For this custom, we can calculate the moves off the most off these acids, using the most of the assassin he using using the the density, the density on his wall in we can calculate his messes must divided by a smaller mess is how many most off this reactant on DDE the to calculate home animal to the second reaction to a use, Um, it's must divided by a small room ss. Well, according to the violence to comic precaution, we can see the tour, the ratio of the two reactions. It's one over well, so in this case, we can see the second reaction to this well is limiting. So because for this balance to come Cory Reaction, we can see the ratio of the product. And the second reaction is well over one. So the mass of the products equals to the most. Off the product times is Muller mess. We can calculate its 1.263 grams, so the person to yout is 74.8%


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