Tools. This means that the overall positive charge of the cations must be balanced by the overall negative charge of the anions.. a potassium ion has a charge of 1+. Most commonly, the term potassium sulfide refers loosely to this mixture, not the anhydrous solid. Molecular weight calculation: 39.0983*2 + 32.065 ›› Percent composition by element Structure, properties, spectra, suppliers and links for: Potassium sulfide, 1312-73-8. ... Chemical Formula: K2S4 (potassium polysulfide) K2S (potassium sulfide) Flash Point: data unavailable. Copy this to my account; E-mail to a friend ... Start over; Help; This activity includes every compound formula and name that can be formed from the list 44 Ions provided in Chemistry A at Pickerington High School Central. This formula indicates that this compound is made up of twice as many sodium ions as sulfide ions. Properties. Magnesiumoxide. Molar mass of K2S = 110.2616 g/mol. Net Ionic: No Reaction 9. ›› Potassium Sulfide molecular weight. So readily oxidized as to be pyrophoric in air [Bretherick 1979 p. 120]. Ions that are made of more than 1 atom. Name the following compound: MgO. polyatomic. Its molar mass is 72.17 grams per mole, and it is soluble in water. The formula for potassium hydrogen sulfide is KHS. Sodium sulfide, another ionic compound, has the formula \(\ce{Na_2S}\). What is the chemical formula for potassium sulfide? Its chemical formula is K 2 S. It contains potassium and sulfide ions. The potassium is in its +1 oxidation state. Become a member and unlock all Study Answers. Another name for this inorganic compound is potassium hydrosulfide. One of the most important things to remember about ionic compounds is that they must be electrically neutral.. An ionic formula, like \(\ce{NaCl}\), is an empirical formula. This formula merely indicates that sodium chloride is made of an equal number of sodium and chloride ions. an atom or group of atoms that has an electric charge. Potassium sulfide is the inorganic compound with the formula K 2 S.The colourless solid is rarely encountered, because it reacts readily with water, a reaction that affords potassium hydrosulfide (KSH) and potassium hydroxide (KOH). The name of this compound is potassium sulfide. Potassium sulfide is a colorless solid when it is pure. Convert grams Potassium Sulfide to moles or moles Potassium Sulfide to grams. Potassium sulfide is a chemical compound. K2S. It is incompatible with chloroform and nitrogen oxide. Ionic Compounds, Naming and Formula Writing. POTASSIUM SULFIDE is a reducing agent. ion. Molecular: cobalt(III) bromide + potassium sulfide Molecular: 2 CoBr3 (aq) + 3 K2S(aq) Co2S3 (s) + 6 KBr (aq) Total Ionic: 2 Co3+ (aq) + 6 Br¯ (aq) + 6 K+ (aq) + 3 S2-(aq) Co 2S3 (s) + 6 K + (aq) + 6 Br¯ (aq) Net Ionic: 2 Co3+ (aq) + 3 S2-(aq) Co 2S3 (s) 10. A sulfide ion has a charge of 2-. Sometimes it is not pure and it is yellow-brown. 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