This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If an experiment calls for adding approximately 1 mL of a given solvent, which of these three ... (Read 53 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
on: Aug 23, 2018
If an experiment calls for adding approximately 1 mL of a given solvent, which of these three methods would you recommend? Explain your choice. a. Measure the solvent using a graduated cylinder. b. Weigh the solvent on a balance. c. Estimate the volume using a Pasteur pipette.

Question 2

If an experiment calls for adding exactly 3.1 mL of a given solvent, which of these three methods would you recommend? Explain your choice. a. Measure the solvent using a graduated cylinder. b. Weigh the solvent on a balance. c. Estimate the volume using a Pasteur pipette.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jmfn03

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Aug 23, 2018
Answer to Question 1

Because this experiment calls for an approximate volume of solvent, eyeballing with a Pasteur pipette (c) would be suitable.

Answer to Question 2

The most accurate method for measuring a liquid is to weigh it (answer b). It is necessary to know the density when the amount of liquid is given as a volume. Most graduated cylinders are graduated to 0.2 mL increments and therefore, if accuracy is important, method (a) would not be suitable. Eyeballing the volume (c) would be the least accurate method.


nautica902

  • Member
  • Posts: 591
Reply 2 on: Aug 23, 2018
:D TYSM

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
The Meselson-Stahl Experiment The Meselson-Stahl Experiment
Water as solvent Water as solvent
A Split-Brain Experiment A Split-Brain Experiment
The Meselson–Stahl experiment proves DNA replicates semiconservatively The Meselson–Stahl experiment proves DNA replicates semiconservatively
The transfer experiment that demonstrated the existence of RNA primers in DNA replication The transfer experiment that demonstrated the existence of RNA primers in DNA replication
Video: Immune responses Animation

For a complete list of videos, visit our video library