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1. What is the advantage of using the graduated cylinder rather than a pipetter or a burette for measurement of approximate volumes?

2. Why is the burette more versatile than a pipette for measuring volumes of liquids?

3. Why is an average of several trials taken in each case rather than the results of a sungle trial?

4. Even if the volume of the water could be measured very accurately, there would still be uncertainly in the mass of the water. what is source of error have we not take account?

What is the error will happen in this lab?

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