Question

A student wants to prepare 10.0 mL of 14.2 mM yellow dye solution. They have a 46.9 mM stock solution of yellow dye available. What volume (in mL) of the stock solution should the student use to prepare the desired 10 mL solution?

Name: a student wants to prepare 100 ml of 142 mm yellow dye solution they have a 469 mm stock solution of yellow dye available what volume in ml of the stock solution should the student use to pr 44741
Uploaded: 2022-01-15T23:57:25-08:00
Duration: 1 min 36 s
Channel: David Collins
Description: a student wants to prepare 100 ml of 142 mm yellow dye solution they have a 469 mm stock solution of yellow dye available what volume in ml of the stock solution should the student use to pr 44741

          A student wants to prepare 10.0 mL of 14.2 mM yellow dye solution. They have a 46.9 mM stock solution of yellow dye available. 
What volume (in mL) of the stock solution should the student use to prepare the desired 10 mL solution?

Added by Kirk S.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

01/15/2022

Step 1

To find the amount of dye needed in moles, use the formula: \[ \text{Moles} = \text{Concentration (M)} \times \text{Volume (L)} \] Convert 10.0 mL to liters: \[ 10.0 \, \text{mL} = 0.0100 \, \text{L} \] Now calculate the moles of dye needed: \[ Show more…

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A student wants to prepare 10.0 mL of 14.2 mM yellow dye solution. They have a 46.9 mM stock solution of yellow dye available. What volume (in mL) of the stock solution should the student use to prepare the desired 10 mL solution?