Free Exam: 513 2020 Measurement Questions SHS
Number of Questions in Test: 70
Number of Questions in Preview: 5
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An object having a mass of 16.85 grams is placed into a graduated cylinder containing water. The level of the water rose from 19.8 mL to 21.8 mL. Which density is expressed to the proper number of significant figures?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 2
How many 100 mg tetracycline capsules can be made from 1 kg of tetracycline?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 3
Through experimentation, a student determined the vapor pressure of water at 60°C to be 140.2 torr. If the actual vapor pressure of water at 60°C is 149.4 torr, what is the student's percent error?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 4
Which mass measurement contains four significant figures?
| Type: | Multiple choice |
| Points: | 2 |
| Randomize answers: | Yes |
Question 5
Which quantity expresses the sum of the given masses to the correct number of significant figures?
21.11 g + 375.663 g + 5400.1325 g
21.11 g + 375.663 g + 5400.1325 g
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |