Now let\'s think about a dilution problem. Consider what happens when you take 2

ID: 477434 • Letter: N

Question

Now let's think about a dilution problem. Consider what happens when you take 2.0 liters of a 0.04 M stock solution and add 3.5 liters of water to the solution. Do you expect the molarity of the new solution to be smaller or larger than the molarity of the original solution? Explain using only one sentence WHY you chose smaller or larger above? Now that you have made a prediction about whether the molarity will increase or decrease, use the dilution formula to calculate the new molarity? Use the table below to organize the given information before you do your calculation: Does your calculated answer match your prediction? If not, where did you make your mistake? Was it your prediction or your calculation? Compare your calculated answer to that calculated by other groups in your workshop section to help you.

Explanation / Answer

Smaller

Molarity = Moles / Volume

As more volume is added ;So the Molarity decreases

M1V1 = M2V2

2*0.04 = M2*[2+3.5]

M2 = 0.0145 M

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Now let\'s think about a dilution problem. Consider what happens when you take 2

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