Have an equation of mm plus two plus a metaphor minus. We yield Emmental to sell it and we're gonna balances in basic solution. And what happens is this situation we require 78.42 millimeters a 0.499 Moeller solution. Oh, permanganate iron. And then that will titrate from accumulators off. Mm plus, too. So we're trying Figure out what the concentration of the manganese to Lyon ISS first, Before we can do in exploit, we have to balance this redox reaction so the first step should be to split it into 2/2 reactions. So since there's only one product, although the reactors will go to the product and then was put the other one to M and four minus to M N 02 So the first step should be to split a word that the second step should be to balance any non oxygen or hydrogen atoms. So manganese, manganese, his bones, the manganese, manganese bonds Next service bombs any oxygen's by adding water. So I have to oxygen's here, so I'm gonna to waters on the other side and then on the bottom. I have four options here, so I'm gonna to waters on the product side. We're gonna balance hydrogen by adding H bosses. I have four Hodgins on this react in sight. So I'm gonna add for Hodgins on the product side and then for the bottom 1/2 or Hodgins on the react inside. So I'm going to out for Hodgins on the product side. And now we have to balance electrons. We have to bounce charges by adding electrons. The world charge of this IBIs positive two there will charge of this that it's positive for. So I'm gonna add to elections to make it equal to positive two. So that way, Boulder reactors and products of the same charge and then for the bottom. This side hasn't a role Charge of zero, and this side has an overall charge of positive three. So I'm gonna three elections to get it to equal to the other side, which is here now, for this to be a proper reduction, the same one elections have to be gain us lost. So those two have to be the same number. I'm gonna multiply this equation by three to get it to be sex elections. And I'm gonna most play this whole equation by to to get it to be six electrons. So I'm gonna rewrite the equations with the new numbers of three times to a sex water plus three times once, three mn pasu plus three times one is three I m in 02 plus three times four is 1200 irons, plus three times to a six elections. And then I'm animal to buy this whole equation by two. So, to some streets, six elections plus two times four is eight plus two times one is two. We yield to Emma. No, to plus four waters. Now we cancel elections, and then we can. So anything that we subtract anything as an opposite sides and we add anything that it's on the same side. So notice that we have a Hodgins on the side and 12 when this one. So we're gonna subtract a from both sides, giving me 400 iam's and then waters. We have four waters here in six orders here. So we're gonna truck floor from both sites, given me to Waters, and then I have Emma no, to repeat it on the same side. So we're gonna add those two. Give me 59 age five M and oh, too. Now we're gonna put it together to H 20 plus three mm plus two was to Emina. Four minus will yield five I m in 02 plus or age plus. No, because we're in basic solution for every 100 in I am. You're gonna add hydroxide times and I always like to balance it first as an acidic reaction and then add extra step for the basic solutions. That way you get used to one method very quickly and you just have to do one extra step. So then I'm gonna for hydroxide. It's on bullet sites and thou give me hydroxide and hydrogen combine to make water. So give me four waters and then, since I have duplicates, we subtract two waters from both sides giving me to waters. So when I rewrite that equation so I have 40 H minus plus three m m plus two plus two Emina for minus. We yield five Emmental two plus two h 20 Now, the last thing you should do is check charges. The overall charge of this site is here and they're overcharge of this negative four plus positive six plus negative two, which is two times. So notice that those this series with two times they could have won the second of 23 times positive to this positive 64 times negative One is thinking of four. So this this year and this equation is bounce. So now we're gonna do stick. So I know that I have 78.42 milliliters of this. And 0.4997 Ruler. I'm gonna find the concentration of this. And I know I have 50 milliliters, so I need to find the moles off em. And plus two so m and close to I'm going to raise is right here. So we don't get confused because find Mueller similarity. Your concentration is malls. Oh, Mm. Possum per leaders. All solution. And we know we have. We need 15 familiars of dissolution right here. So we need to find the most because where do you know the volume on the volume to go for milliliters? Two leaders. We the vibe. 1000. So we're gonna divide this about 1000 it gives me point. 052466123 Leaders. So now I just need the most, and then we're here, and that will give me concentration. So we're gonna use this to find the malls off em and Boston. So I start with the volume in leader. So I'm gonna take this about of our 1000.0, 7842 leaders. Oh, Eminem four. And if you ask yourself Well, how do you decide which of those two start I started with the one that is only one unit. Moeller is really more poor leader. So that's a conversion factor. So if you have something that is one unit only, then start with that. If possible. Sometimes you can't help. But what in this case is you can. So then leaders of Emma four will go on the bottom to cancel that. And then the conversion is two moles Oh, Emina four minus that Malls O M N 04 minus two malls of M and plus do which is what I want. Most of leaders were used the wolrd for just points or 997 moles and one leader and the most smalls we use the coefficients Mm Bush suis three and Emmental Forest too. And that we cancel units. Leaders cancel. Most cancel giving me moles. Oh Mm. Plus suit, which is what I want. And then we multiply across the wide by the bottom and we get the most of them in plus two to be 0.0 58. 78. So, Doriane, take that number and put her here. 0.0 58 78. Most of em and pasta words I traded. Take that. The bottom right point or 50 and it gives you a concentration of 500.11 76 more.