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Message: <blockquote data-quote="Slesh" data-source="post: 15375908" data-attributes="member: 468698">1. meka 2004 A/L gane kotasak.ona nam balanna.   menna gaana.[Ag(NH3)2]NO3 he 0.12 mol saha NH3 2.0 mol asrutha jalaye diyakota eya 1000cm^3 k dakwa asrutha jalayen thanuka kara P drawanaya sada ganini.Ag+(aq) + 2NH3(aq) -----> [Ag(NH3)2]+ yana prathikriyawa sadha Celsius 25 di samathuliththa niyathaya 1.7 * 10^7 mol2 dm-6 we. Celsius 25 di P drawanaye Ag+ sandranaya hoyanna.   mehemane hadanne.   K = [Ag(NH3)2+(aq)]/[Ag+(aq)][NH3]   1.7 * 10^7 mol2 dm-6 = 0.12 mol dm-3/[Ag+] * (2.0)2 mol2 dm-6   [Ag+] = 1.8 * 10^-9 mol dm-3podi deyayi dana ganna one.meke kohomada ekakaya mol dm-3 awe?(A/L answer poth wala ehemai thiyenne) sameekaranaya sulu karahama wena ekak ne enne?mata eka pahadili karala post ekak dannako <img src="/styles/default/xenforo/smilies/default/oo.gif"  class="smilie" loading="lazy" alt=":oo:" title="Oo    :oo:" data-shortname=":oo:" /> <img src="/styles/default/xenforo/smilies/default/oo.gif"  class="smilie" loading="lazy" alt=":oo:" title="Oo    :oo:" data-shortname=":oo:" /> 2.meka 2005 A/l gane kotasakmenna gaana.1*10-5 mol dm-3 jaleeya barium hydroxide drawana 100 cm^3 samaga 2.5 * 10-5 mol dm-3 jaleeya cadmium hydroxide drawana 100 cm^3 Celsius 25 di mishra kala wita oba nireekshana washayen balaporoththu wena de kumak dai sadahan karanna. Celsius 25 di Barium Sulphate he Ksp = 1 * 10^-10 mol2 dm-6 Cadmium hydroxide Ksp = 1.2 * 10^-14 mol3 dm-9mehemane hadanne.[Ba2+] = 1*10-5 mol dm-3 * 100/1000 * 1000/200 =5 * 10^-6 mol dm-3[SO42-] = 2.5 * 10^-5 * 100/1000 *1000/200 =1.25 * 10^-5 mol dm-3emanisa aynika gunithaya = 5 * 10^-6 mol dm-3 * 1.25 * 10^-5 mol dm-3                                   = 6.25 * 10^-11 mol2 dm-6emanisa Ksp(BaSO4) > 6.25 * 10^-11 mol2 dm-6emanisa BaSO4 awakshepa nowe.[OH-] = 2 * 10^-5 *100/1000 * 1000/200 = 1*10^-5 mol dm-3[Cd2+] = 2.5 * 10^-5 *100/1000 * 1000/200 = 1.25 * 10^-5 mol dm-3Cs(OH)2 ---> Cd2+ + 2 OH-emanisa aynika gunithaya = [Cd2+][OH-]2                                   =  1.25 * 10^-5 mol dm-3 * (1*10^-5 mol dm-3)2                                   =  1.25 * 10^-15 mol3 dm-9                                   emanisa Ksp(Cd(OH)2) > 1.25 * 10^-15 mol3 dm-9emanisa Cd(OH)2 awakshepa nowe.mata dana ganna one me hadala thiyena widiya harida?and OH- sandranayata agya daanakota (nil pata thana) samekaranaye stoikiyomithiya anuwa hoyapu sandranaya 2n wadi wela nemeida ethanata daanne?(habai anwer books wala thiyenne wadi nokara)please help soon.</blockquote>

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