Sep 29, 2017
Poinsettia was even there to witness the engagement. I mean she may have not seen it happen, but she was there and that’s all that matters.
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Poinsettia was even there to witness the engagement. I mean she may have not seen it happen, but she was there and that’s all that matters.
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Ion-formules en lading. Antwoord.
Ag +    zilver Hg 2+   kwik  (2+; dus niet Hg +) NH4 +  ammonium Sn 2+   tin
OH - Â Â Â hydroxide NO3 - Â Â nitraat CO3 2- Â carbonaat PO4 3- Â fosfaat
Dit antwoord hoort bij deze vraag.Â
Ion-formules en lading.
De ion-formules hieronder kloppen allemaal: Waar of niet waar?
Ag + Â Â Â zilver Hg + Â Â Â kwik NH4 + Â ammonium Sn 2+ Â Â tin
OH - Â Â Â hydroxide NO3 - Â Â nitraat CO3 2- Â carbonaat PO4 3- Â fosfaat
Antwoord
Ionen die een goed-oplosbaar zout vormen.
De volgende ionen vormen altijd goed-oplosbare zouten: kalium, natrium, ammonium en nitraat-ionen (K+ Â Na+ Â NH4 + Â en NO3 -).
Waar of niet waar?
Antwoord
Ionen die een goed oplosbaar zout vormen. Antwoord.
Waar: Na+, K+, NH4 + Â en NO3 - vormen altijd goed-oplosbare zouten. In tabel 35 staat bij al deze ionen een 'g'.
Dit antwoord hoort bij deze vraag.Â
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