CHEM 104 Lecture 6: Lecture 1.6
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Match the statement to the correct answer. (Some reagents can be used more than once.) The flowchart along with the report sheets in experiment 5 should be very helpful.
| A | 6M Nitric Acid (HNO3) |
| B | Colbalt Nitrate (Co(NO3)2) |
| C | Disodium EDTA (Na2EDTA) |
| D | Aluminum Nitrate (Al(NO3)3) |
| E | Zinc Nitrate (Zn(NO3)2 |
| F | Barium Nitrate (Ba(NO3)2) |
| G | 6M Hydrochloric Acid (HCl) |
| H | OH-, CO32-, and PO43- |
| I | Lead chloride (PbCl2(s)) |
| J | 0.1M sodium carbonate (Na2CO3) |
| K | NH4+(aq) and OH-(aq) |
| L | Silver chloride (AgCl(s)) |
| M | Anion |
| N | Lead Nitrate (0.1M Pb(NO3)3) |
| O | Silver Nitrate (AgNO3) |
| P | Cation |
| Q | 1M ammonium hydroxide (NH4OH) |
| R | Na+, NO3-, and NH4+ |
| S | None of the above |
A B C D E F G H I J K L M N O P Q R S This reagent is added fresh samples in test A3 where there was no reaction in tests A1 or A2.
A B C D E F G H I J K L M N O P Q R S Mixing AgNO3 and NaCl will produce what white precipitate.
A B C D E F G H I J K L M N O P Q R S This is the reagent added after 6M HCl during test B1.
A B C D E F G H I J K L M N O P Q R S Lead Nitrate (Pb(NO3)2) will combine with hydrochloric acid (HCl) to form what white precipitate?
A B C D E F G H I J K L M N O P Q R S In test A2 you add this reagent to the test where a precipitate was formed.
A B C D E F G H I J K L M N O P Q R S The name for a positively charged ion is....
A)What is the oxidation state of sulfur before and after the reaction below?
SO32-(aq) + MnO4-(aq) â SO42-(aq) + Mn2+(aq)
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B) What is the oxidation state of copper before and after the reaction below?
2NO3-(aq) + 8H+(aq) + 3Cu(s) â 3Cu2+(aq) + 2NO(g) + 4H2O(l)
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C)What is the oxidation state of nitrogen before and after the reaction below?
2NO3-(aq) + 8H+(aq) + 3Cu(s) â 3Cu2+(aq) + 2NO(g) + 4H2O(l)
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