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You have $505 \mathrm{mL}$ of a $0.125 \mathrm{M} \mathrm{HCl}$ solution and you want to dilute it to exactly $0.100 \mathrm{M}$. How much water should you add? Assume volumes are additive.

We need to add $126.25 \mathrm{mL}$ of water to $505 \mathrm{mL}$ of $0.125 \mathrm{M}$ HCl to dilute the solution to $0.1 M$

Chemistry 102

Chapter 4

Reactions in Aqueous Solutions

Solutions

Aqueous Equilibria

Carleton College

Rice University

Drexel University

Lectures

03:58

In chemistry, a solution is a homogeneous mixture composed of two or more substances. The term "solution" is also used to refer to the resultant mixture. The solution is usually a fluid. The particles of a solute are dispersed or dissolved in the solvent. The resulting solution is also called the solvent. The solvent is the continuous phase.

00:41

In chemistry, an ion is an atom or molecule that has a non-zero net electric charge. The name was coined by John Dalton for ions in 1808, and later expanded to include molecules in 1834.

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Question 736 say you have 5 or a mu of .125 m hydrochloric acid solution, and you want to delicto exactly .100 m solution, so how much water should you add, of course, lotion? You have to remember this formula by 5 me and now we need to dilute okay. So i call you have to hear this formula n, i d, i equal m, f, b, f and now we know me know, and we know m f, but we know we don't know f, so we'll have to call it. That'S final, that's mean, you add worth to the structure motion to get the final concentration. So we add 4 m. I v, i divide by m f. So what we will have here. We have m- i i 1 to 5 and am we are equal. 5. O 5 m and m f as 1 o o point. So in this problem we have f a 4631 melon. So how much was the unit to add to the solution? So the waterwe have to subtract this onetybefore. I thought you warmed up lumbfirst b b, so y equals v, i plus water, so s equals plus water, water, water, water. So we water, equal v, minus v, n. Okay, so we asked i want water to the star solution. You will have pay 1 m c. L.

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