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Percent Error and Yield ENTRANCE TICKET

Authored by Alyse Fletcher

Chemistry

10th Grade

Used 1+ times

Percent Error and Yield ENTRANCE TICKET
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating percent error?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you define the theoretical value in an experiment?

The value obtained from repeated trials

The value calculated based on known scientific principles

The value measured during the experiment

The average of all measured values

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating percent yield?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the theoretical value of a reaction is 50 grams and the actual value obtained is 45 grams, what is the percent error?

10%

5%

15%

20%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an experiment, the theoretical yield is 100 grams, and the actual yield is 80 grams. Calculate the percent yield.

80%

100%

120%

20%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to calculate percent error in experiments?

To determine the efficiency of the experiment

To identify the accuracy of the experimental results

To calculate the cost of the experiment

To measure the time taken for the experiment

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student calculates a percent error of 5% in their experiment. What does this indicate about their results?

The results are very accurate

The results are very inaccurate

The results are exactly correct

The results are not useful

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