OH NH A dnsohe in ether Add NaHCO, walet lav eher byer 1. Brine wash 2. MgSo. 3. evaporation Add HCI wter layer What is What compound is present a prečipitate?
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Q: 7
A: Dear student this question is related to equilibrium concept.
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- 4.5 gm of oxalic auid/ foOH ) COUH presentin soomlor foletion. Therm Normalilay is ( Hint: COOH → C0 A) 0.1 B) 0-L C) 0.3 D) O. g.t to tuasd ssem uL () the The moralify of the souhm The mnany of the sonunon हुर्गज् strongest Type f the IMf fornd in this soution to ·a t o tusad Ssem of mg coH)2 in 300.0g %801.da, at punot seu woynios (alculate. て of water. The oensiy of the finoal ha unthosE 50 um? of 6-2 moldni3 Solution Na, (o3 was dileted usith distilled weeter to obtain f 250 cm3 Sorlution, what world be the Con ien trei blum f Sbuution? the resulbing of
- A l.00ml alıquot of fish od was andyud for N using the kieldahl methad: After chqashim, the dishilled ammania colleeted in 10onlof 0:0503 M Hl. The excess Hl requied 28.3 ml of o.124M NgoH for titratin. amount Cale the ofN in the sconle of fish oil as mglm KJE LDAHL METHOD)Ql is dissolved in 250 ml, what is the tutul normadily of A Sada- Lime Sample is go% NaoH and 10% CaO • If 3gm the Selution as abase ? How many milliliters of O.57 N H2 S4 would be requiresd to titrate 100 me of the Solution ? Ans.s (0.309 N, 60.59 ml)Write the expression for the K of H2PO;. HPO OH %3D [H2PO;] [HPO H,0*] %3D [H2 PO,] [H3 PO3[H3O*] [H2PO;] K= [H3 PO3][OH] OK= %3D [H, PO
- An aq sol of a h , leclysoe hsa feeing pointof20 C. TThe solution contains L14 sole dialved ie O Wisthe mel of the sl amel thw t Ty Aner wrRiedick the pr ducts/ifany that will be fomes bu Me gE no reachion dccurs, yeachion below woite R azter the geaction arrow 1+ AlCs) -y e praducts/if nay) d by-the neachion belain E no reachion Occurs , Warit Bredict the that will be forme Nh arter the renchion arrow reachin Colalag)t Mals)- t ー7 Bodict the products (if any) that will be forimed be the genchion below. na reachon Dccurs, write NR the reachin arrow axter PtClala9)+Mn(s)Calc ulatetheconcantrationoF Potassiamioningrans Perliterof termixing loomlof0.250M Kel n 20oml of o loo M K 2Soa (atonic weight k 37-1ms(ma)
- Hw () Detevmine the molavity f ench of the folloring a 1.5 mol. kcl in 1.SL Solution of solu n. 0.5 gm f Hz Sou in L 20 gm of AI( No3)s in Soo ml , sdu4io- a 2.25 kg of Cusoy in 1.45 LoF solution O o.006 mol. of Brzin To mL of Solic O. 0 0075 gm of C,HS Noz inl.osmL of solut ion Hint '. The at omic numbere used in the above Problem are O = 16 H= 1 Cu: 29 Br: 35 K= 19 C1-呼 S: 16 Al 13 N = 7**** (5) 3 Opper mctal (ind Concentad ted und aad be oonsis hange in , releare of lgas mredcolo color to green releave of gas mn Hedcolor INU we and thabbles in thi botton solutim Not HNU3rani 3(Q) Hy Dnt (uNOgndi (L) Balanced Net Ionic Equation No.2/CHB en+GEAR70 alll ll ? ..::0E is اجابة قصيرة A solution of Al2 (S04) 3 at a concentration of 0.3 N , What is the volume needed to prepare a solution at a concentration of 0.04 M in a volume of 150 ml of distilled water إجابتك كتب إجابتك. . is