WorksheetsANA CHEM_1
Total questions: 10
Worksheet time: 8mins
A piece of metal with a mass of 611 g is placed into a graduated cylinder that contains 25.1 mL of water, raising the water level to 56.7 mL. What is the density of the metal?
19.33 g/mL
19.3 g/mL
19.30 g/mL
18.00 g/mL
A piece of a metal alloy with a mass of 114 g was placed into a graduated cylinder that contained 25.0 mL of water, raising the water level to 42.5 mL. What is the density of the metal?
7.25 g/cm3
0.592 g/cm3
6.51 g/cm3
2.68 g/cm3
The density of lead is 11.4 g/cm3 at 25°C. Calculate the volume occupied by 15.0 g of lead.
1.32 cm3
1.20 cm3
1.30 cm3
1.315 cm3
Bromine is a red liquid at 25°C. Its density is 3.12 g/cm3. What is the volume of 28.1 g of liquid bromine?
87.7 cm3
0.111 cm3
9.01 cm3
28.1 cm3
An organic liquid has a density of 0.8 g/cm3. What is the mass of a 42.0 mL sample of this liquid?
33 g
30.0 g
31.0 g
30 g
The following are steps in analytical process EXCEPT__.
Sample Preparation
Separation
Analysis
Measurement
The following are steps in the measurement process EXCEPT__.
Obtaining sample of analyte
Quantifying the analyte
Identifying the analyte
Extracting the analyte
Accuracy is how close a set of measurements are to each other.
TRUE
FALSE
Precision how close a measurement is to the true value.
TRUE
FALSE
How many significant figures are there in 1.3070 g?
6
5
4
3
