Need help for two question.
Question 1: Within three pieces of glassware, 100mL graduated cylinder, 50mL buret, and 10mL volumetric pipette. Which glassware is the most and least accurate? Why?

Question 2: when measuring a volume of water using a beaker on the analytical balance, you should have observed instability of the reading. Describe the instability and explain its cause.

Thanks!

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Jean KeelingLv2

17 Dec 2019

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Related questions

Answer the questions below - most of these are just reasoning problems - good explanation for what you think or the answer would be helpful.

1. Determine the most accurate and precise piece of glassware

devise a plan that will let you determine which is more accurate and precise at measuring a liquid volume: a pipet or a buret.

you will have the following at your disposal: distilled water, the contents of your cabinet and shared drawer, analytical balances, density of water at various temperatures chart, and thermometers.

making sure you have at least three measurements for each piece of glassware. You will need to perform statistical analysis of your results to decide which piece of glassware is more accurate and which is more precise.

2 Determine the concentration of NaCl in a solution using the density of the solution

Use your results from Part 1 of this experiment to decide which is the best piece of volumetric glassware to use to determine the concentration and density of a solution of NaCl.

You will have available to you the following: solid NaCl, distilled water, the contents of your cabinet and shared drawer, analytical balances, thermometers, a computer with Excel

describe the relationship between density and concentration.

I need procedures of these two experiment. I have no idea where to start and set things up.

Please help!!

Thank you.