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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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smooth15 smooth15
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11 years ago
Hello,

I was wondering if someone could tell me the correct formula for the following ionic compounds.I want to compare my answers with someone who REALLY knows this stuff! I just want to make sure Im doing my homework correctly!\

Ca2+ and OH-

Na+ and HCO3-

Ca2+ and PO43-

Na+ and F-

Thanks in advance!=)
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wrote...
#1
11 years ago
Ca(OH)2
Na3HCO
Ca3(PO4)2
NaF
numbers should be subscripts.. there should be any superscripts anymore
wrote...
#2
11 years ago
1. Ca(OH)2 (2 is a subscript)
2. NaHCO3
3. Ca3(PO4)2 (all numbers are subscripts)
4. NaF

btw Miguel's answer is wrong because Na should not have a subscript of 3. It would only be that way if the HCO3- ion had a CHARGE of 3-, but the 3 means there are 3 oxygens and the charge is 1-.
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