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Na2S represents sodium sulfide, a binary salt formed from sodium (Na) and sulfur (S). It is used in various industrial processes, including paper manufacturing and as a reducing agent.
K3PO3 is named phosphite de potassium, indicating that it is a potassium salt of phosphorous acid, with potassium having a +1 charge.
The formula for nitrate of iron (III) is Fe(NO3)3, indicating that iron has a +3 oxidation state in this compound.
The chemical formula for the carbonate of calcium is CaCO3, which consists of one calcium ion (Ca2+) and one carbonate ion (CO3 2-).
The formula for hydrogen sulfate of aluminum is Al(HSO4)3, indicating that aluminum is combined with three hydrogen sulfate ions.
The compound with the formula Mg(PO4)2 is named phosphate de magnesium, indicating that it contains magnesium ions and phosphate ions.
The general formula for quaternary salts is MHXO, where M represents a metal, H represents hydrogen, and X represents a polyatomic ion.
The group with the formula HCO3 is called hydrogénocarbonate, commonly known as bicarbonate.
The formula for the hydrogénophosphate of calcium is Ca(H2PO4)2, indicating that it contains calcium and two dihydrogen phosphate ions.
The compound with the formula H2PO4 is named dihydrogénophosphate, which is a polyatomic ion derived from phosphoric acid.
The formula for the sulfite of iron (I) is FeSO3, indicating that iron has a +1 oxidation state in this compound.
The compound Cu(OH)2 is named hydroxyde de cuivre (II), indicating that it is a copper hydroxide with copper in the +2 oxidation state.
The chemical formula for the dichromate of potassium is K2Cr2O7, which is a salt containing potassium and the dichromate ion.
The compound with the formula NiO is named oxyde de nickel (II), indicating that nickel has a +2 oxidation state.
The formula for trifluoride of boron is BF3, which consists of one boron atom and three fluorine atoms.
The chemical name for HCN is cyanure d'hydrogène, which is a binary acid formed from hydrogen and cyanide.
The formula for the sulfate of zinc is ZnSO4, indicating that zinc is combined with the sulfate ion.
The compound with the formula Al2(SO4)3 is named sulfate d'aluminium, indicating that it contains aluminum and sulfate ions.
HSO4 represents the hydrogen sulfate ion, which is a polyatomic ion that can act as an acid or a base in chemical reactions.
The oxidation state of metals in compounds can be determined by considering the charges of the ions they form and the overall charge of the compound.