A student prepared a standard stock copper (II) sulfate solution with an absorbance value of 0.862. The student then decided to prepare a second solution containing copper (II) sulfate from the standard stock solution. What combination of volumetric pipette and volumetric flask should the student use in order to prepare a second solution from the stock standard that will also fall within the Beer's law absorbance limit that we discussed in class

Question

Marley Jarvis

Chemistry

2 April, 21:43

A student prepared a standard stock copper (II) sulfate solution with an absorbance value of 0.862. The student then decided to prepare a second solution containing copper (II) sulfate from the standard stock solution. What combination of volumetric pipette and volumetric flask should the student use in order to prepare a second solution from the stock standard that will also fall within the Beer's law absorbance limit that we discussed in class

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Logan Mcdowell · Answer 1

He will need a volumetric flask of 5ml and a volumetric pippet of 1ml.

You don't want to dilute it a lot becuase you can fall out of the limit.

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