Experiment 6: Analysis of an Aluminum-Zinc Alloy

Question 1

Purpose of Experiment 6

Answer 1

Measure the amount of hydrogen gas evolved from the reaction of zinc and aluminum and determine the percent composition of an aluminum-zinc alloy

Question 2

Safety Precautions

Answer 2

Working with highly concentrated HCl solution, be careful

Question 3

Procedure

Answer 3

1. Set up gas buret
2. Record the inital volume
3. Weigh out aluminum and quickly cover after adding acid
4. After reaction, record the height and the final volume