Pre-lab exercise 1) The table below from Part 1 illustrates the dilution processes required for creating the dilute standard solutions. Given that the stock solution was made from 0.050 g quercetin in a 250 mL volumetric flask, calculate the quercetin concentration in the initial stock solution and show your working below on how the dilution processes below resulted in the stated quercetin concentrations ranging from 4-32 mg/L. Concentration of quercetin (mg/L) 0 (blank) 4 8 16 24 32 Dilution with deionised water Pure deionised water 1 mL of stock solution to 50 mL 2 mL of stock solution to 50 mL 4 mL of stock solution to 50 mL 6 mL of stock solution to 50 mL 8 mL of stock solution to 50 mL
Pre-lab exercise 1) The table below from Part 1 illustrates the dilution processes required for creating the dilute standard solutions. Given that the stock solution was made from 0.050 g quercetin in a 250 mL volumetric flask, calculate the quercetin concentration in the initial stock solution and show your working below on how the dilution processes below resulted in the stated quercetin concentrations ranging from 4-32 mg/L. Concentration of quercetin (mg/L) 0 (blank) 4 8 16 24 32 Dilution with deionised water Pure deionised water 1 mL of stock solution to 50 mL 2 mL of stock solution to 50 mL 4 mL of stock solution to 50 mL 6 mL of stock solution to 50 mL 8 mL of stock solution to 50 mL
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.108E
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Question
Transcribed Image Text:Pre-lab exercise
1)
The table below from Part 1 illustrates the dilution processes required for creating the
dilute standard solutions. Given that the stock solution was made from 0.050 g quercetin
in a 250 mL volumetric flask, calculate the quercetin concentration in the initial stock
solution and show your working below on how the dilution processes below resulted in the
stated quercetin concentrations ranging from 4-32 mg/L.
Concentration of quercetin (mg/L)
0 (blank)
4
8
16
24
32
Dilution with deionised water
Pure deionised water
1 mL of stock solution to 50 mL
2 mL of stock solution to 50 mL
4 mL of stock solution to 50 mL
6 mL of stock solution to 50 mL
8 mL of stock solution to 50 mL
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