Density worksheet (show work in notebook; formula, values substituted in and label! Round answer to the correcy number of digits)
________
use this information to help with questions 1-11
substance density
Osmium 22.6g/mL
Gold 19.3g/mL
Mercury 13.6g/mL
Lead 11.4g/mL
Copper 8.96g/mL
Aluminum 2.70g/mL
Water 1.00g/mL
Alcohol 0.781g/mL
Styrofoam 0.145g/mL
SF6 gas 6.52g/mL
oak wood .77g/cubic centimeter
Air 1.28g/L
Helium 0.179g/L
shape Equation
Block V=lwh
Cylinder V=pir2h
Sphere V=4pir3/3
1. A 13.2mL rock has a mass of 47.6g Determine its density.
Work: ans______________
2. What is the density of138.42g of salt water if its volume is 117.0mL?
Work: ans______________
3. What is the density of the H gas in a 5.0L bag if the mass is 0.466g?
Work: ans______________
4. 25.2 mL of water is placed in a graduated cylinder. A 22.6g stone is dropped in, and the water rises to 32.4mL. What is the stone’s density?
Work: ans______________
5. When a graduated cylinder is placed on an electronic balance, it reads 78.32g. 10.00mL of liquid glycerine is added, and now it reads 91.78g. What is density of the glycerine?
Work: ans______________
6. A brick 3.0cm * 4.5cm * 6.7cm has a mass of 985g. .What is its density? What is it probably made of?
Work: ans______________ ________________
7. A cylinder has a mass of 528.6g, length of 14.2cm and diameter of 2.30cm. what is the cylinder probably made of? What is your evidence?
Work: ans______________ _______________
8. A ball has a mass of 753g and radius of 5.62cm. Will it float or sink in water? Will it float or sink in the saltwater in question 2? What is your evidence?
Work: ans__________ _____________ _____________
9. How much would a 15.2mL chunk of Styrofoam weigh? How much would the same size piece of osmium weigh?
Work: ans______________ ______________
10. What volume would 62.4g of mercury have?
Work: ans______________
11. Find the thickness of a 187.3g lead block, if 3.20cm long and 2.95cm wide.
Work: ans______________
12. Use dimensional analysis to change 1.5 cups in to milliliters. 2cups=1pt; 2pts = 1qt; 4qts = gal 1.06 qt= 1L