1. Read the lab manual and finish the following steps: Prepare a list of the cations involved in this experiment that could not be present in a solution if carbonate ions, CO32-, were also present in that solution. abla in water. They may react with OH in water to a.

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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ta
<
PRE-LABORATORY ASSIGNMENT
2.
5
The pre-laboratory assignment must be completed before beginning the laboratory experiment.
a.
T
Qualitative Analysis: 14 Solutions
C.
Q
1. Read the lab manual and finish the following steps:
Prepare a list of the cations involved in this experiment that could not be present in a solution if
carbonate ions, CO32-, were also present in that solution.
a.
52%
+: 0
b. Some cations listed in this experiment are not stable in water. They may react with OH in water to
form H* and an insoluble hydroxide. How would you keep such an insoluble hydroxide from
forming?
For the 14 unknown solutions with possible ions as given in this experiment, describe a logical
scheme for identifying each anion. Draw a flowchart for the identification if possible.
Review relevant class materials and answer the following questions:
You are given a solution that may be either NaCl(aq) or Na₂CO3(aq). Present a scheme to find which
substance was present in the solution.
b. Complete and balance the following equations and explain your results.
BaCl₂ (aq) + H₂SO4 (aq) → ...,
AgNO3(aq) + Cl(aq) → …...
<-\~ >
Transcribed Image Text:ta < PRE-LABORATORY ASSIGNMENT 2. 5 The pre-laboratory assignment must be completed before beginning the laboratory experiment. a. T Qualitative Analysis: 14 Solutions C. Q 1. Read the lab manual and finish the following steps: Prepare a list of the cations involved in this experiment that could not be present in a solution if carbonate ions, CO32-, were also present in that solution. a. 52% +: 0 b. Some cations listed in this experiment are not stable in water. They may react with OH in water to form H* and an insoluble hydroxide. How would you keep such an insoluble hydroxide from forming? For the 14 unknown solutions with possible ions as given in this experiment, describe a logical scheme for identifying each anion. Draw a flowchart for the identification if possible. Review relevant class materials and answer the following questions: You are given a solution that may be either NaCl(aq) or Na₂CO3(aq). Present a scheme to find which substance was present in the solution. b. Complete and balance the following equations and explain your results. BaCl₂ (aq) + H₂SO4 (aq) → ..., AgNO3(aq) + Cl(aq) → …... <-\~ >
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