Transcript Mole Conversions

Qualifying Events:
Part 1: Determine the molar mass for each of the compounds/molecules. Record your completion time for all 5 problems.
Compound Name
Iron (III) hydroxide
Potassium nitrate
Bromine gas
Argon Gas
Calcium phosphate
Formula
Molar Mass (g)
Part 2: Mole-Grams Calculations. Record your completion time for all 5 problems.
Problem
If 1.4 moles of Iron (III) hydroxide are needed for
an experiment, how many grams is this?
How many moles of Potassium nitrate are
represented by 453.2 g of the substance?
If 34.6 moles of Bromine gas necessary for a
reaction, how many grams of the gas are needed?
0.056 grams of Argon Gas are released from a
broken light bulb, how many moles of gas were
released?
189.900 moles of Calcium phosphate are needed
in a reaction, how many grams is this?
Work
Answer:
Part 3: Mole-Particles Calculations. Record your completion time for all 5 problems.
Problem
If 1.4 moles of Iron (III) hydroxide are needed for an
experiment, how many formula units is this?
How many moles of Potassium nitrate are
represented by 4.532x1021 formula units of the
substance?
If 34.6 moles of Bromine gas necessary for a
reaction, how many molecules of the gas are
needed?
0.056 moles of Argon Gas are released from a broken
light bulb, how many atoms were released?
1.89 x 10-3 moles of Calcium phosphate are needed in
a reaction, how many formula units is this?
Work
Answer:
Part 4: Mole-Liter Calculations. Record your completion time for all 5 problems.
Problem
If 1.4 moles of water vapor (at STP) are needed for an
experiment, how many liters is this?
How many moles of O2 are represented by 567.3 L of the
substance at STP?
If 34.6 moles of Bromine gas necessary for a reaction,
how many liters of the gas are needed? (At STP)
0.056 moles of Argon Gas are released from a broken
light bulb, how many liters were released? (at STP)
1.89 x 10-3 moles of hydrogen gas are needed in a
reaction, how many liters is this? (at STP)
Work
Answer:
Part 5: Mixed Calculations. Record your completion time for all 5 problems.
Problem
If 1.4 g of Iron (III) hydroxide are needed for an experiment, how many
formula units is this?
How many grams of Potassium nitrate are represented by 4.532x1021
formula units of the substance?
If 34.6 grams of Bromine gas necessary for a reaction, how many liters
of the gas are needed? (at STP)
0.056 liters of Argon Gas are released from a broken light bulb, how
many atoms were released? (At STP)
1.89 x 1046 formula units of Calcium phosphate are needed in a
reaction, how grams are needed?
Work
Answer: