Unit Conversions
Convert 100 mL to liters
.1 Liters
Convert 1.5 moles of carbon to grams
18 Grams
A block of wood has a mass of 200 grams and a volume of 250 cm³. What is the density of the wood?
0.8g/cm3
Convert 120 seconds to minutes.
2 minutes
What is one way we can apply unit/quantity conversions in our daily life?
425 grams
Convert 25 grams of NaCl (sodium chloride) to molecules.
Given: The molar mass of NaCl = 58.44 g/mol
2.58×10^23 molecules of NaCl
A metal sphere has a mass of 500 grams and a volume of 100 cm³. What is the density of the metal?
5g/cm3
Convert 60 miles per hour (mph) to feet per second (ft/s)
88 ft/s
What is Avogadro's number?
6.02 x 10^23
150 hectograms
Convert 3.2 moles of oxygen molecules (O₂) to molecules of oxygen.
1.927×10^24molecules of O₂
A substance has a density of 1.2 g/cm³. If you have 5 liters of the substance, what is its mass in grams?
6000 grams
Convert 100 km/h to meters per second (m/s).
27.78 m/s
If you are converting temperature from Celsius to Fahrenheit, what kind of conversion is this?
Unit conversion
How many Tbps are in 300 mL?
20.3 Tbps
How many atoms of hydrogen are in 1.2 moles of water?
1.4×10^24atoms of hydrogen
A gas has a density of 0.00125 g/L. If you have a volume of 10,000 liters of the gas, what is the mass of the gas in kilograms?
0.0125kg
Convert 45 pounds per square inch (psi) to pascals (Pa).
Hint: Use the following conversions:
1 psi = 6894.76 pascals
310,264.2 Pa
What is the mnemonic used to remember the different unit conversions? (mentioned earlier)
The Grand Master Kevin Has Died Drinking Chocolate Milk Many Nights Past
A substance has a density of 2.5 g/cm³. If you have a volume of 10 liters of this substance, what is its mass in kilograms?
25 kg
Convert 0.75 moles of aluminum (Al) to atoms and then to grams.
20.24 grams of Al
A liquid has a density of 0.85 g/mL. If you have 3 gallons of the liquid, what is its mass in kilograms? (1 gallon = 3.78541 L)
9.652kg
Convert 45 miles per hour (mph) to meters per second (m/s).
20.1 meters per second.
When converting from moles of a substance to mass, do you need a unit conversion or a quantity conversion?
Quantity Conversion (converting quantities)