Multiple Choice
Calculate the concentration (M) of sodium ions in a solution made by diluting 60.0 mL of a 0.374 M solution of sodium sulfide (Na2S) to a total volume of 350 mL.
6. Chemical Quantities & Aqueous Reactions
Dilutions
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
To what volume should you dilute 50.0 mL of a 12 M stock HNO₃ solution to obtain a 0.100 M HNO₃ solution?
A
600 mL
B
6000 mL
C
5000 mL
D
500 mL
Verified step by step guidance1
Identify the initial concentration (C1) and volume (V1) of the stock solution. Here, C1 = 12 M and V1 = 50.0 mL.
Identify the desired concentration (C2) of the diluted solution, which is 0.100 M.
Use the dilution formula: C1 * V1 = C2 * V2, where V2 is the final volume of the solution after dilution.
Substitute the known values into the dilution formula: (12 M) * (50.0 mL) = (0.100 M) * V2.
Solve for V2 by dividing both sides of the equation by 0.100 M to find the final volume needed to achieve the desired concentration.
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