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Laboratory Report Questions: Identification of Selected Anions 1. Write the net-ionic equation for the chemical reaction that occurs in each of the following qualitative tests. • The production of carbon dioxide gas in the test for carbonate. • The production of the white precipitate in the test for sulfate. • The production of the aqueous Fe(SCN)$^{2+}$ complex ion in the test for thiocyanate. 2. Suppose that a series of tests on an unknown solution yields the following results. • A white precipitate upon the addition of HCl and BaCl$_2$ (aq) • No gas produced upon addition of HCl. • A dark red solution upon the addition of acetic acid and Fe(NO$_3$)$_3$. • A white precipitate upon the addition of HNO$_3$ and AgNO$_3$. Indicate whether each of the following is present, not present, or undetermined. Ion CO$_3^{2-}$ SCN$^- SO$_4^{2-}$ Cl$^- PO$_4^{3-}$ NO$_3^-$Present, Not Present, Undetermined

          Laboratory Report Questions: Identification of Selected Anions
1. Write the net-ionic equation for the chemical reaction that occurs in each of the following
qualitative tests.
• The production of carbon dioxide gas in the test for carbonate.
• The production of the white precipitate in the test for sulfate.
• The production of the aqueous Fe(SCN)$^{2+}$ complex ion in the test for thiocyanate.
2. Suppose that a series of tests on an unknown solution yields the following results.
• A white precipitate upon the addition of HCl and BaCl$_2$ (aq)
• No gas produced upon addition of HCl.
• A dark red solution upon the addition of acetic acid and Fe(NO$_3$)$_3$.
• A white precipitate upon the addition of HNO$_3$ and AgNO$_3$.
Indicate whether each of the following is present, not present, or undetermined.
Ion
CO$_3^{2-}$
SCN$^-
SO$_4^{2-}$
Cl$^-
PO$_4^{3-}$
NO$_3^-$Present, Not Present, Undetermined

Laboratory Report Questions: Identification of Selected Anions
1. Write the net-ionic equation for the chemical reaction that occurs in each of the following
qualitative tests.
• The production of carbon dioxide gas in the test for carbonate.
• The production of the white precipitate in the test for sulfate.
• The production of the aqueous Fe(SCN)^2+ complex ion in the test for thiocyanate.
2. Suppose that a series of tests on an unknown solution yields the following results.
• A white precipitate upon the addition of HCl and BaCl2 (aq)
• No gas produced upon addition of HCl.
• A dark red solution upon the addition of acetic acid and Fe(NO3)3.
• A white precipitate upon the addition of HNO3 and AgNO3.
Indicate whether each of the following is present, not present, or undetermined.
Ion
CO3^2-
SCN^-
SO4^2-Cl^-
PO4^3-
NO3^-Present, Not Present, Undetermined

Added by Robert S.

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