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Oxalic acid is a compound found in many green leafy plants Suppose you would Iike to extract oxalic acid from spinach leaves: You begin with 1L of water containing ...

Question

Oxalic acid is a compound found in many green leafy plants Suppose you would Iike to extract oxalic acid from spinach leaves: You begin with 1L of water containing 4Og of oxalic acid. You plan to extract the oxalic acid with diethyl ether: The solubility of oxalic acid in water is 9.5g/10OmlThe solubility of oxalic acid in dliethyl ether is 16.9g/10OrnL A. What is the theoretical yield (how much oxalic acid will be extracted into the ether layer) if vou use 30OmL of ether? B. How could this yiel

Oxalic acid is a compound found in many green leafy plants Suppose you would Iike to extract oxalic acid from spinach leaves: You begin with 1L of water containing 4Og of oxalic acid. You plan to extract the oxalic acid with diethyl ether: The solubility of oxalic acid in water is 9.5g/10Oml The solubility of oxalic acid in dliethyl ether is 16.9g/10OrnL A. What is the theoretical yield (how much oxalic acid will be extracted into the ether layer) if vou use 30OmL of ether? B. How could this yield be improved? HTML Edito @ ~I 4 A ` @ - I ="390 X X 6 E



Answers

Oxalic acid, $\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4},$ is a toxic substance found in spinach leaves. What is the molarity of a solution made by dissolving 12.0 $\mathrm{g}$ of oxalic acid in enough water to give 400.0 $\mathrm{mL}$ of solution? How many milliters of 0.100 $\mathrm{M} \mathrm{KOH}$ would you need to titrate 25.0 $\mathrm{mL}$ of the oxalic acid solution according to the following equation?
$$\mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4}(a q)+2 \mathrm{KOH}(a q) \longrightarrow \mathrm{K}_{2} \mathrm{C}_{2} \mathrm{O}_{4}(a q)+2 \mathrm{H}_{2} \mathrm{O}(l)$$

Hi everyone so discussion. There are delicacy and I. Protic acid and in the formula H. two seed awfully. Is used to clean the rushed out of radiators in cars. A sample of an oxalic acid mixture was analyzed by thai treating a 0.100 g sample dissolved in the water with 0.0 to 00 moller. Anyway, volume of 15.20M. of the best was required to completely utilized the oxalic acid. What was the percentage by mass of oxalic acid in there sample? So not first legal claims gram of oxalic asi of garlic as soon 19 is equal to 15 points prime T. M L. Anyway. Yeah. Into 00 proof and bread more leverage. Yeah, Divided by 1000 mill anyway. Into one mould of exactly like acid Divided by two. All of an ever age into 1 76.13 Grandma. Oxalic. That seed Divided by one more of oxalic acid. Yeah. And that is equal to their grandma. Sally gas seat. That is equal 0.0-6 7718 grand. Then we part percentage of mhm. Oxalic a suit The day is equal to drama. Exactly gas, which divided by sample weight right off sample in 200. So in 0.026771 age in 200 divided by weight of sample point 1000 and therefore center itself exotic car seat. That is equal to 26 point 77 percentage.

I never even saw in this question. They asked oxalic acid protic acid having the Formula H two. So four is used to clean the rushed water radiators in car. A sample of oxalic acid Mitchell was analyzed by detecting a 0.100 g sample. Diesel in water with 0.0 to 00 malaria Nature Valley more 15.20 ml of the best was required to completely replace the oxalic acid photos the percentage by mass of oxalic acid in the sample. So look grams off H two C 2 or four. The Disick want to 15 points 20 ml. And their age. I never ate. Yeah. Into print 0 200 mall of and their age upon 1000 and mel and marriage in two one month H two C 204 upon to more of anyway, it into 90 .03 Grandma. To see to go for a fund one more law. S two C 204. So that is equal to 0.01368456 Grand in bed. Four gram of uh To see to offer 90s equal to 0.0136 8456 Grand good Band be part percentage of H two C. To offer. That is equal to g of H 2 C204, divided by wait up sampan into bread. That is equal to 0.0136 8456. A form Find, one, and 200 and bite is equal to 13.68 and therefore six percentage of H 2 3-4 19, sequel to 13.68%.

The question here gives you oxalic acid each to see 204 which is a motley, poisonous substance found in the leaves of rhubarb, spinach and many other plants. So, in a sense, here, if oxalic acid has a single carbon to carbon bond, so know that we're gonna have a single carbon to carbon bond and no carbon hydrogen bond. It wants us to draw the leg chopped up structure. So first of all, just based on this, um, we have two carbons here, so that can be crossed out. And we have four oxygen. So if we have one on each side 0000 And then we have each. If it says that no hydrants are bonded to Eddie carbons, it has to be bonded to the oxygen itself. First of all, we have a structure similar to this. So if we draw about that, so first of all, let's determine how many Vaillant electrons we have. So carbon hydrogen gives you two carbon will give you The two partners will give you eight and the four oxidants will give you 24. So, in total, we have 34 failing selections. So if we start from the outside that in we have 2468 10 12 14 elections already used. So we have 14 here. We know that Oxygen wants toe, as it's in group six. It wants to form only to bonds. So in this particular case, the oxygen on if I highlight it, oxygen over here and oxygen over here are already is technical completely just because it completed its architectural by forming the to bond. So gains two extra electrons there. So the car I'm the oxygen that we have the target now are gonna be the outside. So, first of all, carbon here wants to form four bond each. So if we have 2468 10 12 14. Um, violence, like shown so far. And then we have toe add the lone pairs two each. So, of course, we know that, um, the oxygen is we're gonna form to loan parents verify. Trot out. This color said we're gonna have two pairs. 22 there. 24 26 2030 32 34. So from here, we can see that, um, each of the surgeons have its outer pears and octet. It's completely filled so if we redraw it weaken, draw something like this. So if we have one oxygen here, we have to, um, lone pairs. You have another oxygen here have been low in Paris like that, and we have another oxygen down there like so? So if we draw like that, what we can see is that first of all, um, the carbons are still missing some of the electrons in its outer show, and it wants to form four different bonds, or it wants a gay before more electrons, rather in order to fulfill its octet. So what can we do if we know that each of these oxygen's have a I have three lone pairs. What can you do is that we can basically find and convert these into double bonds in order to make it more stable. So these are gonna have to little pairs like that each. So the question asks us to identify any multiple bonds so we have to carbon oxygen, double bonds

The solution for the answer is dead Here calculated the moderate, you oxalic acid. Here we know that. And when we went off anyway, is a program to be too often delicacy. Okay, so the M two will be equal to And when we went to bed by b two and help by putting the values in the equation we get the value of empty is 0.3 minute and now to calculate them also oxalic acid. Here we know the equation that most off salute physical toe modularity multiplied by volume divided by 1000 MLS here by putting the value and we get the value is 0.795 more. These are the malls absolute No, To calculate the moles Moeller mask off the oxalic acid here the moles of solute equal Tomas absolute divided by Moeller mask. And here by putting all the value we get, the more Hamas is equal to 62.893 Trump Permal. Now go find the number off the water molecules. Presenting as to see 204 thought xx toe moral miles off as to see 204 is is equal to two multiplied by 1.8 from plus two, multiplied by 12 0.1 g plus for multiplied by 16 grand Permal and here. By calculating this figure, the value is 90.36 camp or more so the motor mouth off to is will be to multiplied by 1.0 rated gram, plus 16 g per moles and her by California TV. Get the value is 18.16 g per mole. Now toe. Find the X so access to is 90.636 minus 30 or 62 0.893 Camper mo and heavy care develop fixes 1.5. So this is the complete solution of the answer and step by step. Let's go through this. Thank you.


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