C.4.4 Apply the mole concept to determine the mass, moles, number of particles, or volume of a gas at STP, in any given sample, for an element or compound.
Learning Goals:
I can use the mole concept to determine the mass in any sample at STP.
I can use the mole concept to determine the moles in any sample at STP.
I can use the mole concept to determine the number of particles in any sample at STP.
I can use the mole concept to determine the volume of a gas in any sample at STP.
Examples:
I have provided a set of 10 examples of me working out problems similar to those that you are doing on this activity.
They are located below.
I encourage you to watch them whenever you need assistance.
Calculate the mass of 8.4 moles iron (Fe).
Remember to round according to the rules of SigFigs.
Convert 0.45 g NaOH into moles.
Remember to round according to the rules of SigFigs.
Calculate the number of molecules in 3.4 moles of CO2.
Remember to round according to the rules of SigFigs.
Calculate the number of molecules in 168.2 g of CO2.
Remember to round according to the rules of SigFigs.
New material - volume of a gas at STP
Calculate the number of moles in a 75.8 L sample of neon (Ne) gas.
Remember to round according to the rules of SigFigs.
How many liters (L) are in 2.012 x 1023 moles of CH4?
Remember to round according to the rules of SigFigs.
How many grams are in 7.8 liters (L) of CF4?
Remember to round according to the rules of SigFigs.
How many molecules are in 12.0 liters (L) of O2?
Remember to round according to the rules of SigFigs.
How many liters (L) of H2 are in 541.9 g of H2 gas?
Remember to round according to the rules of SigFigs.
How many grams are there in 20.1 L of CO2 gas?
Remember to round according to the rules of SigFigs.