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The Complete Transfer in Chemistry, Lab Reports of Analytical Chemistry

A laboratory experiment report that deals with the concept of quantitative transfer in chemistry. It explains how to prepare solutions and perform quantitative transfer as a crucial ability in the laboratory. The experiment aims to determine whether any variables affected the quantitative transfer and how it boosts the accuracy of a solution by transferring not totally dissolved particles and not losing it. The report also highlights the importance of making sure that every component of the dispersed solute moves completely into the new container when transferring a concentrated original solution into another container for subsequent dilution.

Typology: Lab Reports

2021/2022

Available from 01/20/2024

nathalie-writes
nathalie-writes 🇵🇭

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Student Name Signature:
Course/Section: Group No.:
Instructor: Date:
The Complete Transfer
I. Introduction
We deal with mixes constantly in chemistry. A mixture is the physical blending of two
or more substances while maintaining their distinct identities. It can occur in the form
of solutions, suspensions, or colloids. and when solutions form, we probably transfer
it from one container to another. When transferring a solution or suspension of
precipitate from one vessel to another without losing any analyte, the term
"quantitative transfer" or "complete transfer of an analyte" is used.
The aim of this experiment is to help science learners understand how to prepare
solutions and how to create quantitative transfer as a crucial ability in our laboratory.
This experiment also seeks to determine whether any variables affected the
quantitative transfer.
II. Objectives
Define the concept of quantitative transfer
Apply the knowledge of preparing a solution
Perform quantitative transfer
III. Hypothesis
HO.Quantitative transfer boosts accuracy of a solution by transferring not totally
dissolved particles and not losing it
IV. Materials
Beam Balance
Solid KMnO4
Distilled water
Gloves
Stirring rod
100 ml Volumetric flask
Funnel
50 ml Beaker
V. Procedure
1. Make sure that the materials are complete.
2. Place the beam balance in a flat surface.
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Student Name Signature: Course/Section: Group No.: Instructor: Date:

The Complete Transfer

I. Introduction We deal with mixes constantly in chemistry. A mixture is the physical blending of two or more substances while maintaining their distinct identities. It can occur in the form of solutions, suspensions, or colloids. and when solutions form, we probably transfer it from one container to another. When transferring a solution or suspension of precipitate from one vessel to another without losing any analyte, the term "quantitative transfer" or "complete transfer of an analyte" is used. The aim of this experiment is to help science learners understand how to prepare solutions and how to create quantitative transfer as a crucial ability in our laboratory. This experiment also seeks to determine whether any variables affected the quantitative transfer. II. Objectives  Define the concept of quantitative transfer  Apply the knowledge of preparing a solution  Perform quantitative transfer III. Hypothesis HO.Quantitative transfer boosts accuracy of a solution by transferring not totally dissolved particles and not losing it IV. Materials  Beam Balance  Solid KMnO  Distilled water  Gloves  Stirring rod  100 ml Volumetric flask  Funnel  50 ml Beaker V. Procedure

  1. Make sure that the materials are complete.
  2. Place the beam balance in a flat surface.
  1. Keep the balance calibrated first. Normative reference weights are always used to weigh samples. Hence, a set of verified standard weights must always be available in the lab. The calibration of the scales must be verified in accordance with a recognized calibration laboratory's specifications to ensure the accuracy of measurements.
  2. Weigh the 50-ml beaker and record its weight.
  3. Adjust the balance for an additional 0.4 g and add solid KMnO4 to the beaker until the beam is again balanced.
  4. When the balance reads 0.4 g, it is time to dissolve the solid KMnO4. Using a pipet, pour 20 ml of distilled water and stir until particles seemed to be dissolved. Note that when checking the measurement (20 ml distilled water), it should be on lower miniscus and when checking whether the particles are completely dissolve or not, make sure that we should place the mixture on our eye level not above for safety.
  5. Move the solution quantitatively into a 100-mL volumetric flask equipped with funnel .Stopping the solution from leaking down the stirring rod's outside is the goal. This can be done by tapping the rod against the beaker as you pour the liquid inside.
  6. Continue the process until the permanganate's color is completely gone.in the beaker. Take note of the quantity of washings needed.
  7. Transfer the permanganate in a precise amount from the beaker to the flask. The remaining solution should be rinsed from the stirring rod to the volumetric flask filled with a wash bottle's stream of water.
  8. In the flask, dilute the solution until the graduation mark and the meniscus's bottom are parallel. Shake the mixture until it is entirely homogeneous. VII.Conclusion With the experiment we carried out, I found out that in order to create a solution, the solute and solvent must be extensively mixed or swirled to ensure that the solute's particles are uniformly dispersed throughout the liquid and its concentration is uniform throughout. In the context of this experiment,I found the importance of making sure that every component of the dispersed solute moves completely into the new container when transferring a concentrated original solution into another container for subsequent dilution. This will ensure that the total moles of solute remain constant and the desired concentration after dilution won't differ excessively. In addition, I may infer that the more times we repeat the washing process, the better the transfer happens as we remove any last particles from the rod or funnel. The initial concentrated solution's solute particles undergo a concentration difference from the solvent when they are washed with fresh drops of distilled water. The solute