Question

help!! need tk balance the metals nickel(II), iron(III), manganese(II), and aluminum!! due in 20 minutes

4. Add 12 drops of water and 2 drops of 12 M hydrochloric acid and stir thoroughly for about a minute. Centrifuge and decant the solution immediately. Save the solution for Step 6. 5. Wash the precipitate from Step 4 with water and discard the washing. Add 5 drops of 6 M hydrochloric acid and 1 drop of 6M nitric acid. Heat in a water bath until the precipitate dissolves. Add 15 M ammonia until the solution turns basic. Centrifuge and discard the precipitate. Add 1 drop of 15 M ammonia and 3 drops of dimethylglyoxime. A red precipitate proves nickel(II) ion was present in the solution. 6. Add 10% sodium hydroxide solution to the solution left over from Step 4 until the latter becomes basic, then add 6 drops more. Add 8-10 drops of 3% hydrogen peroxide. Stir vigorously throughout the addition. Heat in boiling water until gas evolution ceases, then centrifuge the solution. 7. Decant the solution and save for Step 10. Wash the precipitate twice with hot water and discard the washings. Divide the solid in half and use one part each in Steps 8 and 9. 8. Add 5 drops of 6 M hydrochloric acid to the solid and heat until dissolved. Cool to ambient temperature and add 1 drop of potassium hexacyanoferrate(II) solution. Formation of a deep blue precipitate (Prussian Blue, Fe,[Fe(CN)]) demonstrates the presence of iron(III) ion. 9. Add 5 drops each of 6 M nitric acid and water, then add a pinch of sodium bismuthate and stir vigorously. Centrifuge the sample. A purple solution results from the presence of the permanganate ion and indicates manganese (II) ion was present in the original sample. 10. Reduce the volume of the supernatant solution from Step 7 to about 2 mL, if necessary, by heating in a casserole dish. Cool and return the solution to the test tube. Add 6M nitric acid until the solution is just acidic, then add 15M ammonia until basic. Add 6 more drops of the 15 M ammonia solution. Heat in a boiling water bath for 1 minute. Aluminum ion is present if a translucent, white precipitate suspended in the water is observed.

Answer 1

N/2t N-OH +204 2 Caa) NIOH 240() (ag) a4) Resy ned ppt MiCAIN 2(C4 CNOH Ali LONCCA ClCHN O]2N N (ale) (S) Caq Fet Ki(ag) (ag)+Fe ) kfe[Fecen)1 (s) essian Blue M2t 2Mn2t (aq)t5 Bi03 (oq)+14H (cq) 2 thoy Cog)B (Parple colar) +0 ag) ARt ASt Cag) 3N (ag)+3M0(ag) Ao +3N Cwkik