CONCENTRATIONS 1-8 For Each concentration, please give Molecular Equation, Compl

Question

CONCENTRATIONS 1-8 For Each concentration, please give Molecular Equation, Complete Ionic Equation, & Net Ionic Equation. Use o.1 M concentrations except where noted. 1) Strontium chloride and sodium sulfate 2) Ammonium chloride and sodium hydroxide (6 M) 3) sodium carbonate M) and hydrochloric acid (6 M) 4) Baking soda solution (1 M) and hydrochloric acid (6 M) 5) Iron (II) nitrate and ammonium hydroxide (1 M) 6) Iron nitrate and sodium hydroxide (1 M) 7) zinc metal (small piece) and hydrochloric acid (6 M) 8) Copper metal (small piece) and hydrochloric acid (6 M) 4. DISPOSAL: Rinse your spot plates with the test solutions into the waste container in the hood Data Analysis for Part D 1. For each combination of substances, evaluate your predictions above, and rewrite the molecular equation in your laboratory notebook, ifneeded, to be consistent with your observations. 2. Below each molecular equation, write the complete ionic and net ionic equations, identify the spectator ions, and write a sentence that best describes what is happening at the ion/molecule level.

Explanation / Answer

Reagents

Molecular Equation

Complete Ionic Equation

Net Ionic Equation

Spectator Ions

Strontium chloride (SrCl2) and sodium sulfate (Na2SO4)

SrCl2 (aq) + Na2SO4 (aq) ------> SrSO4 (s) + 2 NaCl (aq)

Sr2+ (aq) + 2 Cl- (aq) + 2 Na+ (aq) + SO42- (aq) -------> SrSO4 (s) + 2 Na+ (aq) + 2 Cl- (aq)

Sr2+ (aq) + SO42- (aq) --------> SrSO4 (s)

Na+, Cl-

Ammonium chloride (NH4Cl) and sodium hydroxide (NaOH)

NH4Cl (aq) + NaOH (aq) -----> NH3 (g) + H2O (l) + NaCl (aq)

NH4+ (aq) + Cl- (aq) + Na+ (aq) + OH- (aq) ------> NH3 (g) + H2O (l) + Na+ (aq) + Cl- (aq)

NH4+ (aq) + OH- (aq) ------> NH3 (g) + H2O (l)

Na+, Cl-

Sodium carbonate (Na2CO3) and hydrochloric acid (HCl)

Na2CO3 (aq) + 2 HCl (aq) ------> 2 NaCl (aq) + CO2 (g) + H2O (l)

2 Na+ (aq) + CO32- (aq) + 2 H+ (aq) + 2 Cl- (aq) ---------> 2 Na+ (aq) + 2 Cl- (aq) + CO2 (g) + H2O (l)

CO32- (aq) + 2 H+ (aq) -------> CO2 (g) + H2O (l)

Na+, Cl-

Baking soda (NaHCO3) and hydrochloric acid (HCl)

NaHCO3 (aq) + HCl (aq) ------> NaCl (aq) + CO2 (g) + H2O (l)

Na+ (aq) + HCO3- (aq) + H+ (aq) + Cl- (aq) -------> Na+ (aq) + Cl- (aq) + CO2 (aq) + H2O (l)

HCO3- (aq) + H+ (aq) -------> CO2 (g) + H2O (l)

Na+, Cl-

Iron (III) nitrate (Fe(NO3)3) and ammonium hydroxide (NH4OH)

Fe(NO3)3 (aq) + 3 NH4OH (aq) -------> Fe(OH)3 (s) + 3 NH4NO3 (aq)

Fe3+ (aq) + 3 NO3- (aq) + 3 NH4+ (aq) + 3 OH- (aq) --------> Fe(OH)3 (s) + 3 NH4+ (aq) + 3 NO3- (aq)

Fe3+ (aq) + 3 OH- (aq) -------> Fe(OH)3 (s)

NH4+, NO3-

Iron (III) nitrate (Fe(NO3)3) and sodium hydroxide (NaOH)

Fe(NO3)3 (aq) + 3 NaOH (aq) -------> Fe(OH)3 (s) + 3 NaNO3 (aq)

Fe3+ (aq) + 3 NO3- (aq) + 3 Na+ (aq) + 3 OH- (aq) --------> Fe(OH)3 (s) + 3 Na+ (aq) + 3 NO3- (aq)

Fe3+ (aq) + 3 OH- (aq) -------> Fe(OH)3 (s)

Na+, NO3-

Zn metal (Zn) and hydrochloric acid (HCl)

Zn (s) + 2 HCl (aq) -------> ZnCl2 (aq) + H2 (g)

Zn (s) + 2 H+ (aq) + 2 Cl- (aq) -----> Zn2+ (aq) + 2 Cl- (aq) + H2 (g)

Zn (s) + 2 H+ (aq) -------> Zn2+ (aq) + H2 (g)

Cl-

Reagents

Molecular Equation

Complete Ionic Equation

Net Ionic Equation

Spectator Ions

Strontium chloride (SrCl2) and sodium sulfate (Na2SO4)

SrCl2 (aq) + Na2SO4 (aq) ------> SrSO4 (s) + 2 NaCl (aq)

Sr2+ (aq) + 2 Cl- (aq) + 2 Na+ (aq) + SO42- (aq) -------> SrSO4 (s) + 2 Na+ (aq) + 2 Cl- (aq)

Sr2+ (aq) + SO42- (aq) --------> SrSO4 (s)

Na+, Cl-

Ammonium chloride (NH4Cl) and sodium hydroxide (NaOH)

NH4Cl (aq) + NaOH (aq) -----> NH3 (g) + H2O (l) + NaCl (aq)

NH4+ (aq) + Cl- (aq) + Na+ (aq) + OH- (aq) ------> NH3 (g) + H2O (l) + Na+ (aq) + Cl- (aq)

NH4+ (aq) + OH- (aq) ------> NH3 (g) + H2O (l)

Na+, Cl-

Sodium carbonate (Na2CO3) and hydrochloric acid (HCl)

Na2CO3 (aq) + 2 HCl (aq) ------> 2 NaCl (aq) + CO2 (g) + H2O (l)

2 Na+ (aq) + CO32- (aq) + 2 H+ (aq) + 2 Cl- (aq) ---------> 2 Na+ (aq) + 2 Cl- (aq) + CO2 (g) + H2O (l)

CO32- (aq) + 2 H+ (aq) -------> CO2 (g) + H2O (l)

Na+, Cl-

Baking soda (NaHCO3) and hydrochloric acid (HCl)

NaHCO3 (aq) + HCl (aq) ------> NaCl (aq) + CO2 (g) + H2O (l)

Na+ (aq) + HCO3- (aq) + H+ (aq) + Cl- (aq) -------> Na+ (aq) + Cl- (aq) + CO2 (aq) + H2O (l)

HCO3- (aq) + H+ (aq) -------> CO2 (g) + H2O (l)

Na+, Cl-

Iron (III) nitrate (Fe(NO3)3) and ammonium hydroxide (NH4OH)

Fe(NO3)3 (aq) + 3 NH4OH (aq) -------> Fe(OH)3 (s) + 3 NH4NO3 (aq)

Fe3+ (aq) + 3 NO3- (aq) + 3 NH4+ (aq) + 3 OH- (aq) --------> Fe(OH)3 (s) + 3 NH4+ (aq) + 3 NO3- (aq)

Fe3+ (aq) + 3 OH- (aq) -------> Fe(OH)3 (s)

NH4+, NO3-

Iron (III) nitrate (Fe(NO3)3) and sodium hydroxide (NaOH)

Fe(NO3)3 (aq) + 3 NaOH (aq) -------> Fe(OH)3 (s) + 3 NaNO3 (aq)

Fe3+ (aq) + 3 NO3- (aq) + 3 Na+ (aq) + 3 OH- (aq) --------> Fe(OH)3 (s) + 3 Na+ (aq) + 3 NO3- (aq)

Fe3+ (aq) + 3 OH- (aq) -------> Fe(OH)3 (s)

Na+, NO3-

Zn metal (Zn) and hydrochloric acid (HCl)

Zn (s) + 2 HCl (aq) -------> ZnCl2 (aq) + H2 (g)

Zn (s) + 2 H+ (aq) + 2 Cl- (aq) -----> Zn2+ (aq) + 2 Cl- (aq) + H2 (g)

Zn (s) + 2 H+ (aq) -------> Zn2+ (aq) + H2 (g)

Cl-

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