https://peda.net/id/0e97a95209f 2020-10-09T08:55:38+03:00 https://peda.net/:static/537/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/f0aef30a120 2020-10-19T15:16:39+03:00 a)<br/> <img src="https://i.imgur.com/HNOeHVC.png"/><br/> b) <br/> ekvivalenttipiste (18,17; 5,02)<br/> 18,17 cm^3 typpihappoa 2020-10-19T15:16:39+03:00 https://peda.net/id/d4d328420a0 2020-10-19T15:06:00+03:00 a)<br/> <img src="https://i.imgur.com/BzrhfIo.png"/><br/> b)<br/> ekvivalenttipiste (42,49; 8,49)<br/> c)<br/> <div><img src="https://math-demo.abitti.fi/math.svg?latex=0%7B%2C%7D04249%5C%20dm%5E3%5Ccdot0%7B%2C%7D10%5C%20%5Cfrac%7Bmol%7D%7Bdm%5E3%7D%3D0%7B%2C%7D004249mol%3D4%7B%2C%7D249mmol" alt="0{,}04249\ dm^3\cdot0{,}10\ \frac{mol}{dm^3}=0{,}004249mol=4{,}249mmol"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7B0%7B%2C%7D004249mol%7D%7B0%7B%2C%7D0200dm%5E3%7D%3D0%7B%2C%7D21245%5C%20%5Cfrac%7Bmol%7D%7Bdm%5E3%7D" alt="\frac{0{,}004249mol}{0{,}0200dm^3}=0{,}21245\ \frac{mol}{dm^3}"/><br/> d)<br/> 2-hydroksipropaanihappo<br/> e)<br/> maitohappo on heikko happo, sillä se on orgaaninen happo</div> f)<br/> kaliumlaktaatti<br/> g)<br/> fenoliftaleiini, sen värimuutosalue on 8,3-10,0 ja ekvivalenttipiste on ~8,49 2020-10-09T10:27:05+03:00 https://peda.net/id/8a9685b209f 2020-10-09T09:49:13+03:00 a)<br/> <div>vetykloridin konsentraatio</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=%5Cfrac%7B1%7B%2C%7D65%5C%20g%7D%7B36%7B%2C%7D46%5C%20%5Cfrac%7Bg%7D%7Bmol%7D%7D%3D0%7B%2C%7D045255...%5C%20%5Cfrac%7Bmol%7D%7Bl%7D" alt="\frac{1{,}65\ g}{36{,}46\ \frac{g}{mol}}=0{,}045255...\ \frac{mol}{l}"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=c%5Cleft(NaOH%5Cright)%3D0%7B%2C%7D350%5C%20%5Cfrac%7Bmol%7D%7Bl%7D" alt="c\left(NaOH\right)=0{,}350\ \frac{mol}{l}"/></div> <div>reaktioyhtälö</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=NaOH%5Cleft(aq%5Cright)%2BHCl%5Cleft(aq%5Cright)%5Crightarrow%20NaCl%5Cleft(aq%5Cright)%2BH_2O%5Cleft(l%5Cright)" alt="NaOH\left(aq\right)+HCl\left(aq\right)\rightarrow NaCl\left(aq\right)+H_2O\left(l\right)"/></div> <div>vetykloridin määrä</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=0%7B%2C%7D045255...%5C%20%5Cfrac%7Bmol%7D%7Bl%7D%5Ccdot0%7B%2C%7D004l%3D0%7B%2C%7D0001810...mol" alt="0{,}045255...\ \frac{mol}{l}\cdot0{,}004l=0{,}0001810...mol"/></div> <div>natriumhydroksidia tarvitaan saman verran</div> <div> </div> <div> </div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=V%3D%5Cfrac%7Bn%7D%7Bc%7D%3D%5Cfrac%7B0%7B%2C%7D0001810...mol%7D%7B0%7B%2C%7D350%5C%20%5Cfrac%7Bmol%7D%7Bl%7D%7D%3D0%7B%2C%7D00051720...l%5Capprox5%7B%2C%7D17ml" alt="V=\frac{n}{c}=\frac{0{,}0001810...mol}{0{,}350\ \frac{mol}{l}}=0{,}00051720...l\approx5{,}17ml"/><br/> b)<br/> <div><img src="https://math-demo.abitti.fi/math.svg?latex=c%5Cleft(H_2SO_4%5Cright)%3D%5Cfrac%7B10ml%5Ccdot1%7B%2C%7D25%5C%20%5Cfrac%7Bmol%7D%7Bl%7D%7D%7B100ml%7D%3D0%7B%2C%7D125%5C%20%5Cfrac%7Bmol%7D%7Bl%7D" alt="c\left(H_2SO_4\right)=\frac{10ml\cdot1{,}25\ \frac{mol}{l}}{100ml}=0{,}125\ \frac{mol}{l}"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=n%5Cleft(H_2SO_4%5Cright)%3D0%7B%2C%7D025l%5Ccdot0%7B%2C%7D125%5C%20%5Cfrac%7Bmol%7D%7Bl%7D%3D0%7B%2C%7D003125%5C%20mol" alt="n\left(H_2SO_4\right)=0{,}025l\cdot0{,}125\ \frac{mol}{l}=0{,}003125\ mol"/></div> <div> </div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=H_2SO_4%5Cleft(aq%5Cright)%2B2%5C%20NaOH%5Cleft(aq%5Cright)%5Crightarrow%20Na_2SO_4%5Cleft(aq%5Cright)%2B2%5C%20H_2O%5Cleft(l%5Cright)" alt="H_2SO_4\left(aq\right)+2\ NaOH\left(aq\right)\rightarrow Na_2SO_4\left(aq\right)+2\ H_2O\left(l\right)"/></div> <div>NaOH tarvitaan tuplasti</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=2%5Ccdot%20n%5Cleft(H_2SO_4%5Cright)%3D0%7B%2C%7D00625mol" alt="2\cdot n\left(H_2SO_4\right)=0{,}00625mol"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=V%3D%5Cfrac%7Bn%7D%7Bc%7D%3D%5Cfrac%7B0%7B%2C%7D00625%5C%20mol%7D%7B0%7B%2C%7D350%5C%20%5Cfrac%7Bmol%7D%7Bl%7D%7D%3D0%7B%2C%7D017857...l%5Capprox17%7B%2C%7D86ml" alt="V=\frac{n}{c}=\frac{0{,}00625\ mol}{0{,}350\ \frac{mol}{l}}=0{,}017857...l\approx17{,}86ml"/></div> </div> 2020-10-09T09:49:13+03:00 https://peda.net/id/b2d580d209f 2020-10-09T09:14:33+03:00 <div>a)</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=NH_3%5Cleft(aq%5Cright)%2BCH_3COOH%5Cleft(aq%5Cright)%5Crightarrow%20CH_3COONH_4%5Cleft(aq%5Cright)%2BH_2O%5Cleft(l%5Cright)" alt="NH_3\left(aq\right)+CH_3COOH\left(aq\right)\rightarrow CH_3COONH_4\left(aq\right)+H_2O\left(l\right)"/></div> <div>ammoniumasetaatti</div> <div>b)</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=2%5C%20Al%5Cleft(OH%5Cright)_3%5Cleft(aq%5Cright)%2B3%5C%20H_2SO_4%5Cleft(aq%5Cright)%5Crightarrow%20Al_2%5Cleft(SO_4%5Cright)_3%5Cleft(aq%5Cright)%2B6H_2O%5Cleft(l%5Cright)" alt="2\ Al\left(OH\right)_3\left(aq\right)+3\ H_2SO_4\left(aq\right)\rightarrow Al_2\left(SO_4\right)_3\left(aq\right)+6H_2O\left(l\right)"/></div> <div>alumiinisulfaatti</div> <div>c)</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=H_3PO_4%5Cleft(aq%5Cright)%2BCa%5Cleft(OH%5Cright)_2%5Cleft(aq%5Cright)%5Crightarrow%20CaHPO_4%5Cleft(aq%5Cright)%2B2%5C%20H_2O%5Cleft(l%5Cright)" alt="H_3PO_4\left(aq\right)+Ca\left(OH\right)_2\left(aq\right)\rightarrow CaHPO_4\left(aq\right)+2\ H_2O\left(l\right)"/></div> <div>kalsiumvetyfosfaatti</div> 2020-10-09T09:14:33+03:00