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Test III. Problem Solving Direction Answer the following. Show a complete solution for the mathematical problems. 1. Given the reaction: Al2S3 + 6H20 2Al(OH)3 + 3H2S How many grams of hydrogen sulfide (H2S) are formed if 8 moles of aluminum sulfide (Al2S3) reacts with 12 moles of H20? 2. Three grams of Mg0 was formed after burning 5 grams of Mg with excess 02. 2Mg + 02 2M90 What is the percentage yield of the reaction?

Test III. Problem Solving Direction Answer the following. Show a complete solution for the mathematical problems. 1. Given the reaction: Al2S3 + 6H20 2Al(OH)3 + 3H2S How many grams of hydrogen sulfide (H2S) are formed if 8 moles of aluminum sulfide (Al2S3) reacts with 12 moles of H20? 2. Three grams of Mg0 was formed after burning 5 grams of Mg with excess 02. 2Mg + 02 2M90 What is the percentage yield of the reaction?

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
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Test III. Problem Solving Direction Answer the following. Show a complete solution for the mathematical problems. 1. Given the reaction: Al2S3 + 6H20 → 2Al(0H)3 +3H2S How many grams of hydrogen sulfide (H2S) are formed if 8 moles of aluminum sulfide (Al,S3) reacts with 12 moles of H20? 2. Three grams of Mg0 was formed after burning 5 grams of Mg with excess 02. 2Mg + 02 → 2M90 What is the percentage yield of the reaction?
Transcribed Image Text:Test III. Problem Solving Direction Answer the following. Show a complete solution for the mathematical problems. 1. Given the reaction: Al2S3 + 6H20 → 2Al(0H)3 +3H2S How many grams of hydrogen sulfide (H2S) are formed if 8 moles of aluminum sulfide (Al,S3) reacts with 12 moles of H20? 2. Three grams of Mg0 was formed after burning 5 grams of Mg with excess 02. 2Mg + 02 → 2M90 What is the percentage yield of the reaction?
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