https://peda.net/id/a58e828e143 2020-10-22T10:24:39+03:00 https://peda.net/:static/535/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/7b5db678144 2020-10-22T11:42:13+03:00 <div>divetyfosfaatin konsentraatio <img src="https://math-demo.abitti.fi/math.svg?latex=0%7B%2C%7D012%5C%20%5Cfrac%7Bmol%7D%7Bdm%5E3%7D" alt="0{,}012\ \frac{mol}{dm^3}"/></div> <div>vetyfosfaatin konsentraatio 1,6-kertainen</div> <div> </div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=0%7B%2C%7D0192%5C%20%5Cfrac%7Bmol%7D%7Bdm%5E3%7D" alt="0{,}0192\ \frac{mol}{dm^3}"/></div> <div>liuosta valmistetaan 500ml</div> <div>(natrium)vetyfosfaattia tarvitaan 0,0096mol</div> <div> </div> <div>natriumvetyfosfaatin moolimassa 141,958g/mol</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=m%5Cleft(Na_2HPO_4%5Cright)%3D0%7B%2C%7D0096mol%5Ccdot141%7B%2C%7D958%5C%20%5Cfrac%7Bg%7D%7Bmol%7D%3D1%7B%2C%7D3627...%5C%20g%5Capprox1%7B%2C%7D4g" alt="m\left(Na_2HPO_4\right)=0{,}0096mol\cdot141{,}958\ \frac{g}{mol}=1{,}3627...\ g\approx1{,}4g"/></div> 2020-10-22T11:42:13+03:00 https://peda.net/id/fac17746143 2020-10-22T11:17:19+03:00 <div>a)<br/> alaniini <img src="https://math-demo.abitti.fi/math.svg?latex=H_3N%5E%2BCH%5Cleft(CH_3%5Cright)COO%5E-" alt="H_3N^+CH\left(CH_3\right)COO^-"/>voi toimia amfoteerisena aineena, koska siinä on sekä hapan oksoniumioni että emäksinen <img src="https://math-demo.abitti.fi/math.svg?latex=COO%5E-" alt="COO^-"/>-ioni</div> <div>b)</div> <div>alaniini kohdassa A</div> <div> </div> 2020-10-22T11:17:09+03:00 https://peda.net/id/4cac59ec143 2020-10-22T11:05:07+03:00 <div><img src="https://math-demo.abitti.fi/math.svg?latex=NH_4Cl%5Crightarrow%20NH_4%5E%2B%2BCl%5E-" alt="NH_4Cl\rightarrow NH_4^++Cl^-"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=NH_4%5E%2B%5Cleft(aq%5Cright)%2BOH%5E-%5Cleft(aq%5Cright)%5Cxrightleftharpoons%5B%5D%7B%7DNH_3%5Cleft(aq%5Cright)%2BH_2O%5Cleft(l%5Cright)" alt="NH_4^+\left(aq\right)+OH^-\left(aq\right)\xrightleftharpoons[]{}NH_3\left(aq\right)+H_2O\left(l\right)"/></div> <div>happoa lisätessä oksoniumionit reagoivat puskuriliuoksen hydroksidi-ionien kanssa</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=OH%5E-%5Cleft(aq%5Cright)%2BH_3O%5E%2B%5Cleft(aq%5Cright)%5Crightarrow2%5C%20H_2O%5Cleft(l%5Cright)" alt="OH^-\left(aq\right)+H_3O^+\left(aq\right)\rightarrow2\ H_2O\left(l\right)"/></div> <div>emästä lisätessä hydroksidi-ionit reagoivat ammoniumionien kanssa</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=NH_4%5E%2B%5Cleft(aq%5Cright)%2BOH%5E-%5Cleft(aq%5Cright)%5Crightarrow%5C%20NH_3%5Cleft(aq%5Cright)%2BH_2O%5Cleft(l%5Cright)" alt="NH_4^+\left(aq\right)+OH^-\left(aq\right)\rightarrow\ NH_3\left(aq\right)+H_2O\left(l\right)"/></div> 2020-10-22T11:05:07+03:00 https://peda.net/id/bcb8863c143 2020-10-22T10:46:47+03:00 <img src="https://math-demo.abitti.fi/math.svg?latex=%5Cbegin%7Barray%7D%7Bl%7Cl%7D%0AAine%5C%201%26Aine%5C%202%5C%5C%0A%5Chline%0AHCOOH%26HCOO%5E-%5C%5C%0AHPO_4%5E%7B2-%7D%26H_2PO_4%5E-%5C%5C%0ANH_4%5E%2B%26NH_3%5C%5C%0A%5Cleft(CH_3%5Cright)_2NH%26%5Cleft(CH_3%5Cright)_2NH_2%5E%2B%5C%5C%0ACH_3CH_2COO%5E-%26CH_3CH_2COOH%0A%5Cend%7Barray%7D" alt="\begin{array}{l|l}&#10;Aine\ 1&amp;Aine\ 2\\&#10;\hline&#10;HCOOH&amp;HCOO^-\\&#10;HPO_4^{2-}&amp;H_2PO_4^-\\&#10;NH_4^+&amp;NH_3\\&#10;\left(CH_3\right)_2NH&amp;\left(CH_3\right)_2NH_2^+\\&#10;CH_3CH_2COO^-&amp;CH_3CH_2COOH&#10;\end{array}"/> 2020-10-22T10:46:47+03:00