Circle Lab Day: M T W R F Your Name: _________________________________________ Lab Time: __________ Name: _________________________________________ Partner’s EXPERIMENT #8: PREPARATION OF AN ALUM Laboratory Record and Post-Lab Moles used (Pay attention Reactant Mass Used mL used Molarity (M) to significant figures) Potassium hydroxide Aluminum Sulfuric Acid Water Plenty in excess – Product Mass Produced Moles Produced Alum Hydrogen gas (calculated) Use the data above and Equation to determine the limiting reactant. Show your reasoning. Based on your calculation in question 1, how many grams of alum could theoretically be produced in your reaction? Show your work. Based on your calculation in question 2 and your actual yield from the data table, what is your % yield in the reaction? Show your work.
Your Name: _________________________________________ Circle Lab Day: M T W R F Partner’s Name: _________________________________________ Lab Time: __________ EXPERIMENT #8: PREPARATION OF AN ALUM Laboratory Record and Post-Lab Reactant Mass Used mL used Molarity (M) Moles used (Pay attention to significant figures) Potassium hydroxide Aluminum Sulfuric Acid Water Plenty – in excess Product Mass Produced Moles Produced Alum Hydrogen gas (calculated) Use the data above and Equation to determine the limiting reactant. Show your reasoning. Based on your calculation in question 1, how many grams of alum could theoretically be produced in your reaction? Show your work. Based on your calculation in question 2 and your actual yield from the data table, what is your % yield in the reaction? Show your work.