DATA SHEET A 1. Mass of aluminum used 2. Mass of vial used to weigh your product

Question

DATA SHEET A 1. Mass of aluminum used 2. Mass of vial used to weigh your product 3. Mass of vial or filter paper + product (alum): 0.S ams 4. Actual yield of alum (Line 3 Line 2) 5. Calculate the moles of aluminum used in the experiment Show how you arrived at your answer 6. Calculate the theoretical yield of alum Explain how you arrived at your answer 3.7% grams alum 7. Calculate your percentage yield of alum Show how you arrived at your answer. 5u8 x CO/g 7% 1.2-ES% DATA SHEET B Record the observations for Procedure B here mu paper tumed pe added The flame usos ned ni

Explanation / Answer

The turning of litmus to preachy shows that the solution is acidic in nature. and the white precipitate after the addition of barium chloride shows that there is presence of sulphate radicals SO42- which are getting precipitated as Ba(SO4) by the addition of BaCl2... Thank you... and I hope i made your doubts clear... if not please let me know through comments .. I will try to help you..

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