Basiskennis chemie 5/Evenwichten neerslag opgaven
Theorie
Theorie over dit onderwerp kun je hier vinden.
Gegevens Bewerken
Gegevens voor deze opgaven kun je vinden in BINAS of hier.
De antwoorden zijn berekend met niet afgeronde getallen. Afronden is pas gebeurd bij het noteren. Dat is de achtergrond van het niet altijd exact kloppen van de verhouding van de ion-concentraties in een verbinding.
Verzadigde oplossingen van slecht oplosbare zouten, formules
Bereken de concentraties van de kationen en de anionen van oplossingen van de volgende zouten.
1. | 2. | 3. | 4. |
5. | 6. | 7. | 8. |
![{\displaystyle {\ce {[Ag^{+}]\ =\ 7,31.10^{-7}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/9f2f6e166c81cf8755c432994cf87435ddafac9d)
![{\displaystyle {\ce {[Br^{-}]\ =\ 7,31.10^{-7}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c1d0d54d43b84476853e5f7bee6320250f05516b)
![{\displaystyle {\ce {[Ca^{2+}]\ =\ 2,14.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d2d7086540b557a02ffae86f89256a31aa596308)
![{\displaystyle {\ce {[F^{-}]\ =\ 4,27.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b30884ebacfd8ed05d88b186552a7e506ef18cd2)
![{\displaystyle {\ce {[Pb^{2+}]\ =\ 1,46.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/23930fe8d61aeb3da6461d33255e2b609c41f978)
![{\displaystyle {\ce {[SO4^{2-}]\ =\ 1,46.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/9ecca9b8c62abf97340d091e99f9a026151fe337)
![{\displaystyle {\ce {[Mg^{2+}]\ =\ 1,09.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/121b7c3715ab3a8b254b4ab9f37ddf3ea634b70a)
![{\displaystyle {\ce {[OH^{-}]\ =\ 2,18.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b50759ccf11c0261143b93fba347a4327a479488)
![{\displaystyle {\ce {[Hg^{2+}]\ =\ 1,94.10^{-10}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/39b8dac5e25d4e024eeb8668888f1770cb9b3f09)
![{\displaystyle {\ce {[I^{-}]\ =\ 3,87.10^{-10}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/65a5dfa5e04f3cb4c764ddff5d2c2313787f3928)
![{\displaystyle {\ce {[Al^{3+}]\ =\ 1,83.10^{-9}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3687268480d7de0341abe4fd815a3162f2eef6eb)
![{\displaystyle {\ce {[I^{-}]\ =\ 5,48.10^{-9}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/48d5c8c030b4623ae94473d99cc7755cbae6f728)
![{\displaystyle {\ce {[Ag^{+}]\ =\ 3,13.10^{-2}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f93463d59bebe8dcccdfd9244c3a5e567f153534)
![{\displaystyle {\ce {[SO4^{2-}]\ =\ 1,56.10^{-2}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/1b2ceff7be60e56574e78f46ba4008c1710c544d)
![{\displaystyle {\ce {[Ra^{2+}]\ =\ 6,05.10^{-6}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c465600699cb5038ed584c880870c60e40dd355d)
![{\displaystyle {\ce {[SO4^{2-}]\ =\ 6,05.10^{-6}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/ab3a997528999b0e14f01802e2a3bfbf3194cde2)
Verzadigde oplossingen van slecht oplosbare zouten, stofnamen
Bereken de concentraties van de kationen en de anionen van oplossingen van de volgende zouten.
9. Lood(II)carbonaat | 10. IJzer(III)hydroxide | 11. Magnesiumhydroxide Hoewel deze ionen tweewaardig zijn, is het toch een verbinding van het type MA. | 12. Gallium(III)hdroxide |
13. Koper(I)jodide | 14. Zilverfosfaat | 15. Aluminiumfosfaat | 16. Nikkel(II)fosfaat |
![{\displaystyle {\ce {[Pb^{2+}]\ =\ 3,82.10^{-7}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/cadd9328a7d6602402c504aec0561da348aa97e4)
![{\displaystyle {\ce {[CO3^{2-}]\ =\ 3,82.10^{-7}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/fe35b2625ce31f04fbc977d473c8ee9f54918564)
![{\displaystyle {\ce {[Fe^{3+}]\ =\ 1,01.10^{-10}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/bfadc8812673f8268532c5357625e50499d6d8b8)
![{\displaystyle {\ce {[F^{-}]\ =\ 3,06.10^{-10}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/8f5787bf17a25f379cd9c468e0d402f0764687f7)
![{\displaystyle {\ce {[Mg^{2+}]\ =\ 1,12.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/688fb4c19ebc75f797e592ddbb4480dc99079122)
![{\displaystyle {\ce {[OH^{-}]\ =\ 2,24.10^{-4}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/82091eba0aaed48b8ee64752395b0884d57db421)
![{\displaystyle {\ce {[Ga^{3+}]\ =\ 7,21.10^{-10}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/55c9be1f135f752966458d9d9ebf7d42d0f80085)
![{\displaystyle {\ce {[OH^{-}]\ =\ 21,62.10^{-10}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/8510aee5adac7d7ff72b3517b44cc814133a9565)
![{\displaystyle {\ce {[Cu^{+}]\ =\ 1,13.10^{-6}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/04355d8a3328100c4292854da8222985eea83910)
![{\displaystyle {\ce {[I^{-}]\ =\ 1,13.10^{-6}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3645d68be3b151ef5c2ce30dab0e7de6e4cec092)
![{\displaystyle {\ce {[Ag^{+}]\ =\ 12,78.10^{-5}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/631ed8c78305d19617800f898af6e3a2a9d1403e)
![{\displaystyle {\ce {[PO4^{3-}]\ =\ 4,26.10^{-5}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4eaf68cb74379ebdf5286c9910bb182e0de5db50)
![{\displaystyle {\ce {[Al^{3+}]\ =\ 9,92.10^{-11}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b5744de807926c770c80c8c04362ae47826efcfd)
![{\displaystyle {\ce {[PO4^{3-}]\ =\ 9,92.10^{-11}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/52665f2797c70d786693ffb979eaf76fc2ffc655)
![{\displaystyle {\ce {[Ni^{2+}]\ =\ 6,39.10^{-7}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/de79fb547ded6884a69c2c35e60d69c310bf45b4)
![{\displaystyle {\ce {[PO4^{3-}]\ =\ 4,26.10^{-7}\ mol/L}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d8ff3cf4f69f629da3c32e3d7cb7099f342605db)