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Pipettes are designed to deliver one specific volume to ensure precision and accuracy in measurements. This helps to maintain consistency and reliability in experiments and ensures reproducibility of results. Different pipettes are often required for different volume ranges to minimize errors and improve the overall quality of scientific data.

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1y ago

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Can a pipet be placed in a reagent bottle?

Yes, a pipet can be placed in a reagent bottle to withdraw specific volumes of the reagent as needed. It is important to ensure that the pipet tip does not touch the sides or bottom of the bottle to prevent contamination and maintain accuracy in volume measurement.


A pipet delievers 9.98g of water at 20 degrees celsius What volume does the pipet deliver?

To calculate the volume of water delivered by the pipette, you need to convert the mass of water to moles using its molar mass (18 g/mol). Then, you can use the density of water (1 g/mL) at 20 degrees Celsius to convert moles to volume. The volume delivered by the pipette would be approximately 9.98 mL.


A student determined the volume of water from a pipet by the method described in Part B The volume determined on a mass basis was consistently greater than 10.00 mL what would acc?

If the volume of water determined on a mass basis using the pipet is consistently greater than 10.00 mL, it suggests that there may be a systematic error in the measurement technique or calibration of the pipet. The student should recalibrate the pipet to ensure accurate volumetric measurements, and also consider factors such as temperature, meniscus reading, and technique when measuring volumes.


How do air bubbles in a pipet affect the concentration of a solution?

Air bubbles in a pipet can displace some of the solution, leading to inaccurate volume measurements and affecting the concentration calculations. The presence of air bubbles can lead to a lower-than-expected concentration reading because they take up space that should be occupied by the solution. It is important to ensure that the pipet is properly filled and free of air bubbles to obtain accurate concentration measurements.


What markings are on a pipet?

A pipette typically has volume markings that indicate the volume of liquid being drawn up or dispensed. These markings are often engraved or printed on the side of the pipette with lines indicating different volume increments. Some pipettes also have calibration markings to ensure accurate measurements.

Related Questions

What is its meaning regarding the volume of liquid a pipet delivers?

The volume of liquid a pipette delivers is determined by the calibration markings on the glass tube. Pipettes are calibrated to deliver a specific volume accurately when used according to the manufacturer's instructions. It is essential to always read and follow the calibration guidelines to ensure precise liquid measurements.


What are the two major types of pipet?

To contain and To deliver


What is the main advantage of using pipette in measuring the volume of liquid?

The main disadvantage of using a pipet in measuring the volume of a liquid is that you cannot dispense large quantities.


Can a pipet be placed in a reagent bottle?

Yes, a pipet can be placed in a reagent bottle to withdraw specific volumes of the reagent as needed. It is important to ensure that the pipet tip does not touch the sides or bottom of the bottle to prevent contamination and maintain accuracy in volume measurement.


A pipet delievers 9.98g of water at 20 degrees celsius What volume does the pipet deliver?

To calculate the volume of water delivered by the pipette, you need to convert the mass of water to moles using its molar mass (18 g/mol). Then, you can use the density of water (1 g/mL) at 20 degrees Celsius to convert moles to volume. The volume delivered by the pipette would be approximately 9.98 mL.


How do you deliver 5.00 mL of liquid by using a transfer pipet?

To deliver 5.00 mL of liquid using a transfer pipet, you would draw up the liquid into the pipet slowly until the meniscus reaches the 5.00 mL mark on the pipet. Then, you would carefully transfer the liquid to the desired container by releasing it slowly while touching the pipet tip to the container's wall to ensure all the liquid is expelled. Remember to handle the pipet carefully to avoid spills or contamination.


How do you find volume of water in a pipet?

Pour it into a graduated cylinder and read off the volume.


What do TC and TD indicate in pipet and burets?

In pipets and burets, TC stands for "to contain," indicating the volume of liquid contained when filled to the calibration mark. TD stands for "to deliver," indicating the volume of liquid delivered when emptied to the calibration mark.


How do you calibrate a pipet?

A pipet is calibrated by pouring a liquid of known volume into it and taking the reading in order to determine by how much it might be deviating. This technique is regarded as a quantitative method.


What do you use to measure a milliter?

A millilitre is a volume of 1 cm3. You can measure this quantity of volume by a measuring tube, burette or pipet tube.


When using a pipet can you state the volume of the aliquot without calculating it?

Yes, the volume of the aliquot is typically indicated on the pipette itself. Most pipettes have volume markings along the side that allow you to easily set and dispense the desired volume without needing to calculate it.


A student determined the volume of water from a pipet by the method described in Part B The volume determined on a mass basis was consistently greater than 10.00 mL what would acc?

If the volume of water determined on a mass basis using the pipet is consistently greater than 10.00 mL, it suggests that there may be a systematic error in the measurement technique or calibration of the pipet. The student should recalibrate the pipet to ensure accurate volumetric measurements, and also consider factors such as temperature, meniscus reading, and technique when measuring volumes.