2. Compound NameFormulaMolar Mass (g) Iron (III) hydroxide Potassium nitrate Bromine gas Argon Gas Calcium phosphate Qualifying Events: Part 1: Determine the molar mass for each of the compounds/molecules. Record your completion time for all 5 problems.

3. ProblemWorkAnswer: 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? Part 2: Mole-Grams Calculations. Record your completion time for all 5 problems.

4. ProblemWorkAnswer: 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 4.532x10 21 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? Part 3: Mole-Particles Calculations. Record your completion time for all 5 problems.

5. ProblemWorkAnswer: If 1.4 moles of water vapor (at STP) are needed for an experiment, how many liters is this? How many moles of O 2 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) Part 4: Mole-Liter Calculations. Record your completion time for all 5 problems.

6. ProblemWorkAnswer: 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 4.532x10 21 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 10 46 formula units of Calcium phosphate are needed in a reaction, how grams are needed? Part 5: Mixed Calculations. Record your completion time for all 5 problems.