Partial preview of the text
Download Topper notes ,from class notes and more Cheat Sheet Chemistry in PDF only on Docsity!
* Solution means mixture. * gor aq eng she si substance gear 2 Jaw aea ar & % sr pute substance ¥) srr maximum Substance mixtwre %) BRASS = CU+Zn GERMAN SILVERS CU42n BRONZ w= Cu +2n-+ni LPPM FLUORIDE = PREVENTS TOOTH DECAY 1.5 PPM FLUORIDE = CAUSES MOTTLED OF TOOTH HIGH CONC, FLUORIDE = PolsoNoUS [NaF USED IN RAT POISON) 4YaTCS 42moz SOLUTION = SOLUTE+SOLVENT _——_aell « Homogensus mixture Of two] mare Han twe Non- steachy wmponents is called Soluhoni x Every Solution ig 4 mixtwre but every mixture is not Q solution » Evesy solution ig Q mixtwte but every mixtue is not A Solution ¢ #: IN SOLID SOLUTION = SOLID + May be anyone Liguip + Maybe anjone GAS ot Mabe aTyyane l x I LIQUID SOLUTION # IN GAS SOLUTION — CONCENTRATION OF SOLUTION It seepmeseris relative amount Gy SOLUTE present in SOLVENT/ IN SDLUTION 1. MOLARITY (M) Numibex Of motes of SOLUTE Presert i ONE LITRE Oh Solution is called molaxity Mz MOLES OF SOLUTE _ WEIGHT OF SOLUTE (9m) x 1000 ~ VOUOF SDLUTION My OF SoLUTE X Ver) ¢ * Molaxity At O'C of tmot solute Tr 1 Lite ig Called DEMAL SOLUTION ¥ Tt in question contentsation is not specified. thea take MOBLARITY 2. MOLALITY (m) Number +} males af so.uTe pretent in 1kg SOLVENT Moles Of SoLUTE = WT oF soLventT (KQ) * molality formula wr volume at ana & hay Why molality doent depend on temperature RELATION BETWEEN MOLARITY ANDMOLALITY (m] Lm) eS ™ X 1000 ~ Cioood— M xMw) Mw = Molecular wT of Se d= density of solute RELATION BETWEEN MOLARITY ANDNORMALIT cm) INJ MXMw = NXE MxMG N x4o V.¢ [N= Mxvi€ | RELATION BETWEEN MoLARITY ANDY. BY WEIGHT ma ZBY werent xdkig) — Caeeite hse Mw RELATION BETWEEW MOLALITY AND MoLE FRACTI ro — Calewate SPB Tic gi PREM (a = "Pm Im) Let density of Pure Liquid be dl gimjne Mola da x1p00 vale “Mw xi mu = 1x1000 \gx! x Hao aT molality Water Sr amowmt uz epend 47 ae cexstt ‘ x vs uMAT att wr malty six ye ocean aw nr molality 65.C5 @ err. the. mole fotaction of soluk in solution uy Molali ty = [ll Let G= Solute A= Solvent . AM aguas solution has molality Mel). What iB *ex1000 XAX CMA Xe X1000 (I- XB) x1 (i-Xe) = 5 XB |= 6X6 m= Wl) = Eee OO ——E—— ll GENERALLY FoR AN ABUAS SOLUTION MOLALITY > MDLARITY tm] > [) 4 moles of Solute > moles Of Solucte ad Wt of Solvent volume of Solution Hee ules Of Svlute arte equal Bub Splution ay Solved 2 SUT A enn satire m>m a MIXTURE FORMULAE FoR NORMALITY (A) WHEN SOLUTION OF ACID BASE aRErnxED | NaVa—Nb¥» Neix = - [Va +Vp) | (B) WHEN SOLUTION OF AcID- ACD ARE miKeD i ~ Nava + Nava | | Nmix = > (Va.+"b) | 4 —— ye MIXTURE FORMULAE FoR MOLARITY a¢ two Solutions of Same solutes ate mixed then —-"! 14¥u) pif AZ tgm/me oR d < lemme tren ———————— m>mM , §F d>>>17%™M/ML ren mem) cement u enh ham Volurne Of BN H2S04 and QN 2SO4 sol” hich should be mreed 40 PSepaxe gritme OF 6S N HaS64 solution. (water fg mot Added) Hy Nmix = Nivi + Nova —_ Nivy + Novz Witva) Vinal ms. = ais 2X2 _ Bit Sia 6-5 = mae ® [S= Bvt 4-2 Mie WSL Va ~0-5L Nn (alelate Hnal MoLARITY When AL Oh Srt Sugan Solution and 3b oh 25M Sipe Splution arte mixed then diluted +o |oL With Waser ng Hexe Solution of Same Solute M tino _ ™™ +™MaVe Vy) 4Va Ax2 + aSxs [ol = 1:35m™ ————— IEE Colcwlobe the nNormALITY Of Ho So4 1” mrxtune OF foo mud of 0.2 MHaS04 Gnd ron nu of 02H fr» adr Teal ara #r SH Question wy class & H Stusleyu EY solve SOUT AW aaywe wer WW Mixture A NoRmAUTY ae Tar I % adr ux Ruy Hes04 aT Jar # oy Noymale +h Soa | — Bmey of H2SO4 4 o a oleae Tota vol™ of net (0-4-% Ibo = (Joo + 200) mL oe = TON araz question WV ucla Normatity Weal aT N ob Hol tn Mixtwre = Omer Of Hel Tot vot™ of mixtwee - (0-2 X36) my (B00) rm = 0-024-N —_v_vea nee 6. IN TERMS OF PERCENTAGE tv |7 BY WEIGH(W) = wt OF SOLUTE LM), 145 Wt OF SOLUTION — 7. BY VoLume (¥) = VOLUME OF SoLUT ¥) VOLUME OF SOLUTION ane T— — J - Wt 0 7% BY STRENGTH (WL) = t_OF soLuTe (gm) xo VolumE OF SoLUTION (m2) _| NCERT ¥ commercial Cleeching = 3.62 mass percent Of sodium hypochlorite in woser KR BS7 (VW) Soludion of Ethylene glycol Lowers the Freeziry Point Of wotey by l- (+ 6c) Den ll Th PARTS PER MILLION (PPM) When amount of Souute is Very- very tess then Conce ntscation ig Expressed in tev of PPm PPm = weight ot saute 6 L weight of Solution x10 PPar = Vole Of solute ng Velurne of Solution | PP — Wt Of Solute Volume of Sol” (Ma) x10 ——d NcErtT CHEM % A ditte of Sea-water (which weigh 10%0 gm) Contain about 6mo2gm of dissohed oxygen # Here prem & But Environmental isue zr chapter: Biomagrii fication 7 Dot water W 0-003 PPD (Pastt pex bidLicn) att ze x Hand water W cad, gr omem SPem col es ° 2oy by (w/v) nao H Solution fird Molaouty Fra . . — Ibo aru Solution) Cortains Ao ym Noon me Wtxiooo . 20 ¥1009 = 5m ~ Mw Xv Ap Xivd @ Caruate the amount of oxalic aud Heguixed to Obtained Me 50 nm semi molant fim oxalic. acid tabtr dinydtated form Bo assumed dihydrared oxalic - Atel oxalic acid = (COoW2 + AH20 = Hrl204+2Had Mw = |I26 — 26 - e= 28 = 623 j _ _W_Xidd0 Molasity = Mw av Gn Le wt x00 a” wexX aso Wt = IS-4S rr 2a ~ omz Rré oxaiic acid tour ear assumed dihydrurted oxalic atid (Coby), - 2Ha0 Sout oy) pred S x BIT Question AH Ambydrous oxalie- acd Fay ay ar remove toe and take (coon), 
