water sugar A B -Q2: How much water will move? Show the math 100ml 4% 100 ml 8% -Q3: after water movement, what will be the final volume in A? in B? Volume in A: 100 ml Concentration In A: 4% (4 red dots in 100 ml water) Volume in B: 100 ml Concentration in B: 8% (8 red dots in 100 ml water) -Q4: after water movement, what will be the final concentration in A? B? Show the math. -Q5: Are the final concentrations equal? Why?
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Q2: If you drop object A into 70 ml of water, the water volume increases to 80 ml. The water volume increases to 0.1 L when both objects A and B are dropped together. If you were told that the total volume of object A, B, and C is equal to 45 ml: (A) Calculate the volume of object A? (B) Calculate the volume of object B? (C) Calculate the volume of object C?
Adi S.
Calculate the final concentration of the solution when water is added to prepare each of the following: (9.5) a. $25.0 \mathrm{mL}$ of a $0.200 \mathrm{M} \mathrm{NaBr}$ solution is diluted to $50.0 \mathrm{mL}$ b. $15.0 \mathrm{mL}$ of a $12.0 \%(\mathrm{m} / \mathrm{v}) \mathrm{K}_{2} \mathrm{SO}_{4}$ solution is diluted to $40.0 \mathrm{mL}$ c. $75.0 \mathrm{mL}$ of a $6.00 \mathrm{M} \mathrm{NaOH}$ solution is diluted to $255 \mathrm{mL}$
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Q1. A) You have a 5 M stock solution of sucrose. You want to make 10 ml of a 0.5 M solution. How much sucrose solution and how much water will you mix to do this dilution? B) You take 10 ml of the 5 M stock solution of sucrose and add 490 ml of water. What is the concentration of this diluted solution? Please show all the work.
David C.
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