Not sure how to set up the equations in 1-4 CHE 122 LabBa-Mg Group ReportThe total number of possible points for this report is 14Name:Unknown number:Lab Section:Lab instructor:UNKNOWN REPORTThe unknowns in this group may contain 2 to 3 ions.Each ion in the group must be reported as Present, Absent, or Undetermined.IonReported Status (P, A, or U)NH,"ВаCa²+Mg²*NaK*Balanced, net-ionic equations for final confirmatory tests for all ions reported present.(There is no equation for sodium).1.2.3.4.7 oct o,New NoteBa-Mg GroupAim: Identification of a group of cations (Ba-Mg group) consisting of barium (Ba?"), calcium (Ca?"),magnesium (Mg²"), sodium (Na"), potassium (K*), and ammonium (NH,"). With the exception ofammonium cation, all the cations in this group are either alkali or alkaline-earth metals. All the cationsare biologically important electrolytes. Routine investigations of biological samples like blood involvethe determination of their relative concentrations. Barium salts are routinely employed to diagnosestructural and motility abnormalities of the human digestive tract (Barium meal procedure). Theconcentration of K* cations is regularly monitored in water-based muds during drilling of oilfields.Theory:All the cations in this group are colorless. Since reagents containing ammonia are used indetecting the cations in this group, the test for ammonium cation (NH4") should be carried out first.Since solutions of ammonium salts are slightly acidic, the addition of warm NaOH releases ammonia(V). The release of NH3 can be checked from both the smell and the change in the color of moist redlitmus to blue.NH," + H2O + OH' → NH3 + 2H2OBarium is initially precipitated out as a sulfate when [(NH4)2SO4] is added (VI). The solubilityproduct (Kp) of barium sulfate (BaSO4), 1.5 × 10°, is smaller than the sulfates of the other cations andhence it would be precipitated out (in other words, BaSO4 is much less soluble than the sulfates of theother cations, so it will form a precipitate while the other sulfate compounds remain dissolved insolution). Barium salts give a characteristic green color in the flame test'.Ba?"(ag) + SO,(aq) → BaSO4 (s, w)The solubility product (K) of calcium oxalate (CaC2O4) is 1.3 x 10°, is smaller than theoxalates of the other cations and hence it is precipitated out (VII). Calcium salts give a characteristicreddish-yellow color in the flame test'.Ca* (aq) + C20,² (aq) → CaC204 (s,w)The addition of ammonium hydroxide (NH,OH) and sodium hydrogen phosphate (Na,HPO4)leads to the formation of magnesium ammonium phosphate (MgNH4PO4) (VIII).Mg** (aq) + HPO, (aq) + NH3 (aq) –→ MgNH4PO4 (s, w)Since phosphates of other metals also precipitate at this point, the addition of an organic dye (p-nitrobenzene-azo-resorcinol) to the Mg*" ions in the presence of NaOH leads to the formation of acharacteristic blue lake.Unlike all the ions discussed until now, there are very few sodium and potassium compoundswhich are sufficiently insoluble to form distinct precipitates. Hence, flame tests are often used toidentify these ions (IX)'. Potassium ion can also be identified by the formation of a white precipitatewith sodium tetraphenylborate solution.K* (ag) + NaB(C,H

Question

Not sure how to set up the equations in 1-4 CHE 122 LabBa-Mg Group ReportThe total number of possible points for this report is 14Name:Unknown number:Lab Section:Lab instructor:UNKNOWN REPORTThe unknowns in this group may contain 2 to 3 ions.Each ion in the group must be reported as Present, Absent, or Undetermined.IonReported Status (P, A, or U)NH,&#34;ВаCa²+Mg²*NaK*Balanced, net-ionic equations for final confirmatory tests for all ions reported present.(There is no equation for sodium).1.2.3.4.7 oct o,New NoteBa-Mg GroupAim: Identification of a group of cations (Ba-Mg group) consisting of barium (Ba?&#34;), calcium (Ca?&#34;),magnesium (Mg²&#34;), sodium (Na&#34;), potassium (K*), and ammonium (NH,&#34;). With the exception ofammonium cation, all the cations in this group are either alkali or alkaline-earth metals. All the cationsare biologically important electrolytes. Routine investigations of biological samples like blood involvethe determination of their relative concentrations. Barium salts are routinely employed to diagnosestructural and motility abnormalities of the human digestive tract (Barium meal procedure). Theconcentration of K* cations is regularly monitored in water-based muds during drilling of oilfields.Theory:All the cations in this group are colorless. Since reagents containing ammonia are used indetecting the cations in this group, the test for ammonium cation (NH4&#34;) should be carried out first.Since solutions of ammonium salts are slightly acidic, the addition of warm NaOH releases ammonia(V). The release of NH3 can be checked from both the smell and the change in the color of moist redlitmus to blue.NH,&#34; + H2O + OH' → NH3 + 2H2OBarium is initially precipitated out as a sulfate when [(NH4)2SO4] is added (VI). The solubilityproduct (Kp) of barium sulfate (BaSO4), 1.5 × 10°, is smaller than the sulfates of the other cations andhence it would be precipitated out (in other words, BaSO4 is much less soluble than the sulfates of theother cations, so it will form a precipitate while the other sulfate compounds remain dissolved insolution). Barium salts give a characteristic green color in the flame test'.Ba?&#34;(ag) + SO,(aq) → BaSO4 (s, w)The solubility product (K) of calcium oxalate (CaC2O4) is 1.3 x 10°, is smaller than theoxalates of the other cations and hence it is precipitated out (VII). Calcium salts give a characteristicreddish-yellow color in the flame test'.Ca* (aq) + C20,² (aq) → CaC204 (s,w)The addition of ammonium hydroxide (NH,OH) and sodium hydrogen phosphate (Na,HPO4)leads to the formation of magnesium ammonium phosphate (MgNH4PO4) (VIII).Mg** (aq) + HPO, (aq) + NH3 (aq) –→ MgNH4PO4 (s, w)Since phosphates of other metals also precipitate at this point, the addition of an organic dye (p-nitrobenzene-azo-resorcinol) to the Mg*&#34; ions in the presence of NaOH leads to the formation of acharacteristic blue lake.Unlike all the ions discussed until now, there are very few sodium and potassium compoundswhich are sufficiently insoluble to form distinct precipitates. Hence, flame tests are often used toidentify these ions (IX)'. Potassium ion can also be identified by the formation of a white precipitatewith sodium tetraphenylborate solution.K* (ag) + NaB(C,H<)4 → K[B(C&H3).] (s.w) + Na*T+ :

Accepted Answer

We are given a Ba-Mg report for which some ions exhibits precipitation reaction and we have to write…