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OpenStudy (anonymous):
What is the name of the compound CrPO4 • 4H2O? I think is chromium(II)phosphate tetrahydrate can someone check my work?
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OpenStudy (cwrw238):
absolutely right
OpenStudy (anonymous):
ok thank you! :)
OpenStudy (cwrw238):
hold on - i'm sorry PO4 has 3 - charge so its Cr(III)PO4 that is chromium (III) phosphate tetrahydrate P has charge 5+ and 4 O's has charge 8- making PO4 = 3- so to balance Cr is 3+ or Cr(III)
OpenStudy (cwrw238):
you follow that? - the compound is neutral so + and - charges must balance
OpenStudy (anonymous):
so is not (II) but (III)?
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