The ueioqnst is giaskn uoy who cumh ewtar stum teh nmwao aekt ni ot atninima eht asme ymalsi.otol Tish wanom estak ni 405 smOm of oeltsu rep ady. sThi is a iutn fo emanmeusert -- khtin fo it ilek .gmsar

Fro hre to peek the sema itmalolyso hes usmt eceexrt 045 sOmm per da.y heT only ayw rof her ot rectexe eht uleots si via the sy.eikdn ehT oyln yaw rof rhe kydeisn to etcrxee 540 mOms si fi yeht xeerect 1 litre of rwaet olas. hsTi si teh amx ttecicnoaornn taht hre inyksed nca eu.dproc r(eH iykesdn rae nto eowfrulp“ ”hoeugn ot mkea rhe ineur ayn reom atnecdorncte ahnt ah)t.t

iTsh mnawo si soal lgnsoi enrtaho rtlei of atewr to esf,ec sawtegni dan poanitesrir. sTih si hte ein“ibensls arewt lso.”s ahTt smena fi hes lsogin 1 iertl fo rtaew ot tesaw, epriortnisa nad sfcee epr day psul 1 eitrl fo trewa ot niuer (csaeube ehs nesde to svoiedls reh luesto ni tei)n,s!gomh orf her bodol ot syta eth esma l,oosmaitly hes tsmu eapcler teh weatr hse lots shut t,sum ta immnu,mi knrdi 2 lsrtei fo rwate rep dya.

S’hes tgaiiknn 540 mOms per yda so seh dnees ot cetxeer 504 Osmm rpe ady ot ainnmait eiiqlu.urbmi You a’tnc utsj xecerte mO’ssm by evletesmsh -- htey eahv ot be odsvsdlie in moes onmaut of te.wra

’estL sya uoy reexcte 405 Omsm thiw 050 mL of rwtae -- that ansme uory sdnkiye rae engrtacnioctn reinu t:o

045 msOm ÷ 500 Lm = 090 O/mmsL

uBt teh xmmuiam isht lsd’ya dykiesn acn ertentaconc urine ot si 504 sLO,/mm so she sha to exteecr moer wetar ot egt it atht .ulitde aTht natoum of aerwt is 1 ,L cesbuae 054 mmOs/1 L = 045 Om.s/mL

Now eth’sre ogninth psinotpg rhe rofm tenxreigc eth 540 msOms in an vnee roem uiledt enuri -- for emaxelp fi ehs dnkra na atexr L of wrate oen ayd, eht yeskidn dcuol tge ird fo tath aretx L tiwh the smae atnmuo of 054 mOsm yb tdiinlug teh ueinr to 540 Osmm ÷ 2 L = 225 mm/OLs. uBt het nueqsiot skas rof eht immunim mtuano fo atrwe -- hhicw si 1 L by het ikeysnd (+ 1 L rmof eht terho ffust rfo a tltao of 2 L.)

W(eart)1 K1g =ewaL1tr sw mmkg4rO/ta50e a/mO4t=5wm0reLs wt riMaen O2H deeend to lsvsdieo 054 seuotl by eyndik si 1L rera eW(tt)a2w Oterh feec(s te a:=Lt)alTl.o1 t+)e1w(ar rw2ta=2()Le

This otusqnie si putsd.i aeWtr eaktni orf a aehthyl diauvnlidi is 0.2 L a ady.

oT imitaann malpas aoymotslli -tg&; Need ot laetxcy ceaerlp lal het sidulf tlos ni eht ady

eSh connta tronaneectc nuire veoab 540 mgsOk/m , so eht immiunm aountm of rewta eqdrreiu to be txeedrce by isedykn is 1 ot( txerece eth 045 sOmm esh csteuulcama erp ad.)y Teh miminmu oieretcnx ewart qeurired si srnelaeicys at mxa ttcricon;oanne fi yuo ewer to ysa uodrepc tdueilr ir,nue ays s5m22,/Omgk tish luodw rreqiue 2 L fo etr.aw heT suntoqie sawnt eht immuinm lpeiobss weart mevol,u os we auesms ehs’s iaernngtcnotc ot teh mx.a

1 L slseos rofm eindky + 009 mL sieniesbln + 010 mL ni awtes dna eecsf = 2L sloses t;g-& dene to entsig 2 L of rawte to eerlcpa.

hsiT si my coneds temi ognid stih eiosutqn YT CIO.VD heT ndifteiion of na Osm si teh rbumen of lmseoso fo oeuslt per itlre fo l.stenov ehT setm lselt ouy hte shhtige ehs cna netrtcencoa ehr unire si 045 omlgk/msO H,2O adn hes aetks in 054 oldamms/y.O eSh asol solse 1000 mL fmor ,ewast s,ecfe cte.. heT sloOmm aliveabsr aer TNO talreed ot eth 1000 m.L tI si gogni to teka 1 etilr ot tnarectnceo ttha 540 mslOom ,rneui dan seh osla esosl a espeaatr laeteundr 1 lre.ti Te,goerth eth ummmnii motnua of H2O eedend is nogig ot eb 2 el.itsr