Problem: Determine whether HI can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HI and determine the minimum volume of 3.5 M HI required to completely dissolve the sample. A. 2.15 g AlB. 4.85 g Cu C. 2.42 g Ag
FREE Expert Solution
Metal | Notes |
Lithium (Li+) | Can displace Hydrogen from liquid water, steam, and acids. |
Potassium (K+) | |
Barium (Ba2+) | |
Strontium (Sr2+) | |
Calcium (Ca2+) | |
Sodium (Na+) | |
Magnesium (Mg2+) | Can displace Hydrogen from steam and acids. |
Aluminum (Al3+) | |
Zinc (Zn2+) | |
Chromium (Cr2+, Cr3+) | |
Iron (Fe2+, Fe3+) | |
Cadmium (Cd2+) | Can displace Hydrogen from acids. |
Cobalt (Co2+) | |
Nickel (Ni2+) | |
Tin (Sn2+) | |
Lead (Pb2+) | |
Hydrogen | |
Antimony (Sb3+) | |
Arsenic (As3+, As5+) | |
Bismuth (Bi3+) | |
Copper (Cu+, Cu2+) | |
Mercury (Hg22+, Hg2+) | |
Silver (Ag+) | |
Palladium (Pd3+) | |
Platinum (Pt2+, Pt3+) | |
Gold (Au+, Au3+) |
From the given activity series, Al is higher in the activity series than hydrogen and Al can displace hydrogen acids.
Only A. 2.15 g Al can be dissolved by HI.
Oxidation reaction: Al → Al3+ + 3e-
HI → H+ + I-
Reduction Reaction: 2 H+ + 2 e- → H2
Problem Details
Determine whether HI can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HI and determine the minimum volume of 3.5 M HI required to completely dissolve the sample.
A. 2.15 g Al
B. 4.85 g Cu
C. 2.42 g Ag
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Activity Series concept. You can view video lessons to learn Activity Series. Or if you need more Activity Series practice, you can also practice Activity Series practice problems.