In which of the examples is there an error in either the name OR the formula?

Question

silver(I) nitrate -AgNO3 correct
iron(III) oxide - Fe2O3 correct
sodium bicarbonate - Na2HCO3 - incorrect.
calcium phosphate - CaPO3 in correct.
rubidium phosphate - Rb3PO4 correct.
strontium sulfide - SrSO3 - correct.

Answer 1

silver(I) nitrate -AgNO3 correct ok

iron(III) oxide - Fe2O3 correct ok

sodium bicarbonate - Na2HCO3 - incorrect. OK. NaHCO3 is the correct formula. The newer name is sodium hydrogen carbonate

calcium phosphate - CaPO3 in correct. No. The correct formula is Ca3(PO4)2

rubidium phosphate - Rb3PO4 correct. OK

strontium sulfide - SrSO3 - correct. No. SrS. You wrote the formula for strontium sulfite

Answer 2

Thanks Drbob.