Homework Answers
Add Answer to:
CATION ANALYSIS PRE-LABORATORY QUESTIONS Name Date Drawer No. 1. What are the cation symbols and names...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample should be identified first if it is indeed in the sample? 2. In what phase is the first cation supposed to be identified, in solid or liquid phase? And in what color? 3. According to the experimental procedure written above which cation in your sample should be identified second if it is indeed in the sample? 4. In what phase is the second cation...
Sect. Date Name Prelaboratory Assignment: Qualitative Analysis Group III Cations 1. Prepare a complete flow chart...
Sect. Date Name Prelaboratory Assignment: Qualitative Analysis Group III Cations 1. Prepare a complete flow chart for the procedure and put it on your data sheet. 2. Write balanced net ionic equations describing each of the following reactions: Dissolution of Ni(OH), in nitric acid. Oxidation of Cr'to Cr by CIO in alkaline solution (CIO is converted to CI') The confirming test for Fe 3. A solution that may contain any of the group II cations. Treatment of the solution with...
A solution containing a mixture of metal cations was treated as follows. 1. Dilute HCl was...
A solution containing a mixture of metal cations was treated as follows. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H,S was bubbled through the acidic solution. Again, a precipitate formed and was filtered off. 3. The pH was raised to about 9 and H, S was again bubbled through the solution. No precipitate formed. 4. Finally, sodium carbonate was added and no precipitate formed. What can be said about the presence of...
an introduction to chemistry lab Pre-Lab Study Questions 1. How can the presence of an ion...
an introduction to chemistry lab
Pre-Lab Study Questions 1. How can the presence of an ion in a solution be detected? ไป dedeed by a lame the ions undec gp color changes By com paring knoum olion o a unKnown vo Can co ure he color ehanges in he lame If a reaction produces an insoluble salt, what will you notice happening in the test tube? 2. So,It wany saヅdissolved and tt a, precipitate oat, solut kan bep eadind on...
1. If your original unknown is colorless, what ions are absent from your unknown? 2. If...
1. If your original unknown is colorless, what ions are absent
from your unknown?
2. If you get no precipitate with just the 6 M NH3 in step B,
what ions are absent from your unknown?
pls help are my answers correct ty
17 Page 4 Aperiment 24. Qualitative Analysis Group III-NI, Mn, Fe, Al, Cr, Zn 1. PROCEDURES A. Observations of Samples. Obtain an unknown and record code. Observe color of unknown solution Common color correlations are: dark blue...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What,...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What, if anything, should you do to test for Co2 and Ni*? Qual Scheme: Group III: Co?(pink), N1" (green), Fet+ (yellow), Cr" (blue-grey), Mn(pink), AP (colorless), Zn? (colorless). Unknown B Solution: Use 10 dps of unknown sample and 10 dps of H20 and go to Procedure for Group III. Procedure for Group II: Add 2 dps NHCl soln, add 6M NHOH until just basic to...
Please answer all multiple choice All questions need to be answered! Questions 1-20 are multiple choice...
Please answer all multiple choice
All
questions need to be answered!
Questions 1-20 are multiple choice questions. Please mark the correct circle on the Scantron form. Only the Scantron form will be graded. Scantron must be filled in before time is called Which of the following acids is not a strong acid? 5 HI b. HBr to SEHNO, HF HESO. Venter 2. Which of the following is an example of an empirical formula: a Cs Ho HO LP Fea(SO) d)...
PRE-LABORATORY QUESTIONS NAME: 1. According to the experimental procedure written above which cation in your sample should be identified first if it is indeed in the sample? 2. In what phase is the first cation supposed to be identified, in solid or liquid phase? And in what color? 3. According to the experimental procedure written above which cation in your sample should be identified second if it is indeed in the sample? 4. In what phase is the second cation...
Sect. Date Name Prelaboratory Assignment: Qualitative Analysis Group III Cations 1. Prepare a complete flow chart for the procedure and put it on your data sheet. 2. Write balanced net ionic equations describing each of the following reactions: Dissolution of Ni(OH), in nitric acid. Oxidation of Cr'to Cr by CIO in alkaline solution (CIO is converted to CI') The confirming test for Fe 3. A solution that may contain any of the group II cations. Treatment of the solution with...
A solution containing a mixture of metal cations was treated as follows. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H,S was bubbled through the acidic solution. Again, a precipitate formed and was filtered off. 3. The pH was raised to about 9 and H, S was again bubbled through the solution. No precipitate formed. 4. Finally, sodium carbonate was added and no precipitate formed. What can be said about the presence of...
an introduction to chemistry lab
Pre-Lab Study Questions 1. How can the presence of an ion in a solution be detected? ไป dedeed by a lame the ions undec gp color changes By com paring knoum olion o a unKnown vo Can co ure he color ehanges in he lame If a reaction produces an insoluble salt, what will you notice happening in the test tube? 2. So,It wany saヅdissolved and tt a, precipitate oat, solut kan bep eadind on...
1. If your original unknown is colorless, what ions are absent
from your unknown?
2. If you get no precipitate with just the 6 M NH3 in step B,
what ions are absent from your unknown?
pls help are my answers correct ty
17 Page 4 Aperiment 24. Qualitative Analysis Group III-NI, Mn, Fe, Al, Cr, Zn 1. PROCEDURES A. Observations of Samples. Obtain an unknown and record code. Observe color of unknown solution Common color correlations are: dark blue...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What, if anything, should you do to test for Co2 and Ni*? Qual Scheme: Group III: Co?(pink), N1" (green), Fet+ (yellow), Cr" (blue-grey), Mn(pink), AP (colorless), Zn? (colorless). Unknown B Solution: Use 10 dps of unknown sample and 10 dps of H20 and go to Procedure for Group III. Procedure for Group II: Add 2 dps NHCl soln, add 6M NHOH until just basic to...
Please answer all multiple choice
All
questions need to be answered!
Questions 1-20 are multiple choice questions. Please mark the correct circle on the Scantron form. Only the Scantron form will be graded. Scantron must be filled in before time is called Which of the following acids is not a strong acid? 5 HI b. HBr to SEHNO, HF HESO. Venter 2. Which of the following is an example of an empirical formula: a Cs Ho HO LP Fea(SO) d)...
Most questions answered within 3 hours.
-
Java help Plese
Given a double type array called studentGPA, use for-each loop
(enhanced for loop)...
asked 4 minutes ago -
Imagine an attacker has amassed 42% of the network's hash power,
and is looking to trick...
asked 20 minutes ago -
1-_____ are symbioses between roots and fungi that
enhance nutrient uptake by plant roots.
Mycorrhizae
Casparian...
asked 25 minutes ago -
Two long wires (1 and 2) run parallel to each other with wire 1
suspended directly...
asked 27 minutes ago -
The energy released by each fission within the core of a nuclear
reactor is 2.00 ×...
asked 4 hours ago -
In the ____ effects ANOVA design, the experimenter is interested
in generalizing to other levels ot...
asked 4 hours ago -
Questions 31-32: Consider the following table of data. We want
to know if there is an...
asked 5 hours ago -
How does myoblast and myotube differs in cytoskeletal
components of their microfilaments (actin), microtubules (tubulin),
and...
asked 5 hours ago -
A buffer solution contains 0.322 M ammonium chloride and 0.486 M
ammonia. If 0.0545 moles of...
asked 5 hours ago -
You and a friend play a game where you roll a die. If an even
number...
asked 7 hours ago -
Java Programming
A program is required to calculate the amount of paint needed for
painting a...
asked 8 hours ago -
Meg Prior is 25 years old and is going to invest $10,000 in her
retirement fund...
asked 7 hours ago