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lisabon 2012
2 months ago
15

A student adds 10.00 mL of a 2.0 M nitric acid solution to a 100.00 mL volumetric flask. Next, 50.00 mL of a 0.00500 M solution

of KSCN is added by pipet. Deionized water is added to the flask to dilute the solution to the 100.00 mL mark. What is the concentration of the new solution?
Chemistry
1 answer:
Anarel [2.9K]2 months ago
5 0

Answer:

0.20M of nitric acid

0.00250M of KSCN

Explanation:

In the case of nitric acid, the solution's dilution changes from 10.00mL to 100.00mL, resulting in a 1/10 dilution. Given the original concentration of nitric acid is 2.0M, the updated concentration becomes: 2.0M×(1/10)=0.20M of nitric acid

Similarly, the dilution of KSCN extends from 50.00mL to 100.00mL, equal to a 1/2 dilution. Consequently, the new concentration of KSCN turns out to be:

0.00500M × (1/2) = 0.00250M of KSCN

I hope it aids you!

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