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Explain how you would prepare a solution of sucrose with a molarity of 0.25.

Step $1 :$ Weigh exactly 85.5 grams of sucrose.Step $2 :$ Add it to a little amount of water, and stir well.Step $3 :$ Add water to the solution till the total volume becomes 1 $\mathrm{L}$ .

Chemistry 102

Chemistry 101

Chapter 15

Toxins in Solution

Section 3

Preparing Solutions

Solutions

Composition

Chemical reactions and Stoichiometry

Carleton College

Rice University

University of Toronto

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in problem. One. Explain how you would prepare a solution off So close with the majority off zero point 25 So this question is taken from the topic preparing solution. So, McGarity, we have given 0.25 Mueller and sucrose is through the salute. So So cross formula is here. 12 h, 20 toe 11 and molecular mass off. So crosses. This is 3 42 g Permal. So Okay, so in this step one, we can faster, we can see that the majority. So, uh, in this step, when we can say that the exactly 55.5 g off so cross exactly 85.5 g off so cross in this steptoe, add it toe a little amount of water, toe a little amount off water, little a month, all water and stable and stairwell in third step step number three, Add water. Tow the solution, add water. So the solution till the total volume become one later till the total volume Total volume become one letter. So basically, we know that the majority is theme number off moles, so number off malls off salute divided by the volume off solution in later So this number off moles is equal toe mass absolute, divided by the molecular mass off salute and so majority is equal. Toe McGarity is equal toe number off malls divided by the molecular mass into volume off solution in later. So basically, we have given the maturity value that is 0.25 Moeller. So this is the 0.25 and and this number off malls is her word we can use. So So her weight we can find out and molecular mass is 3. 42 volume off solution is one later. So on solving this, we get moss off So close. So the mask off so close which is equal to 0.25 and 23 42. So this is 85.5 g. So this is the other way. We can calculate this calculation or otherwise we can solve in simple method, so so that we can say that to prepare to prepare 0.25 Moeller solution off solution off so close or sugar we need we need toe calculate the we could calculate the we could calculate the calculate the mask off 0.25 Moss all 0.25 So we can calculate the mass off zero point 25 Moral off sugar, more off sugar. Then measure the amount of sugar. Then measure the amount off my 30 amount all sugar and dissolved it and dissolved it in enough water in enough water. Toe. Make one letter off solution. So make one little off solution. So this is our answer that we need 85 point 5 g in orderto make 0.25 Moeller solution off. So cross. So So cross or sugar having the same formula. That is it. Well, edge 22 11.

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