The name of this compound is potassium sulfide. POTASSIUM SULFIDE is a reducing agent. Its chemical formula is K 2 S. It contains potassium and sulfide ions. Potassium sulfide is a chemical compound. This means that the overall positive charge of the cations must be balanced by the overall negative charge of the anions.. Sometimes it is not pure and it is yellow-brown. Most commonly, the term potassium sulfide refers loosely to this mixture, not the anhydrous solid. An ionic formula, like \(\ce{NaCl}\), is an empirical formula. The formula for potassium hydrogen sulfide is KHS. Potassium sulfide is a colorless solid when it is pure. Its molar mass is 72.17 grams per mole, and it is soluble in water. ›› Potassium Sulfide molecular weight. A sulfide ion has a charge of 2-. K2S. Convert grams Potassium Sulfide to moles or moles Potassium Sulfide to grams. This formula merely indicates that sodium chloride is made of an equal number of sodium and chloride ions. Molar mass of K2S = 110.2616 g/mol. an atom or group of atoms that has an electric charge. Structure, properties, spectra, suppliers and links for: Potassium sulfide, 1312-73-8. Magnesiumoxide. Tools. Another name for this inorganic compound is potassium hydrosulfide. a potassium ion has a charge of 1+. One of the most important things to remember about ionic compounds is that they must be electrically neutral.. Molecular weight calculation: 39.0983*2 + 32.065 ›› Percent composition by element Properties. 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. Net Ionic: No Reaction 9. 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. Become a member and unlock all Study Answers. Name the following compound: MgO. Ions that are made of more than 1 atom. Sodium sulfide, another ionic compound, has the formula \(\ce{Na_2S}\). 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). ... Chemical Formula: K2S4 (potassium polysulfide) K2S (potassium sulfide) Flash Point: data unavailable. Ionic Compounds, Naming and Formula Writing. So readily oxidized as to be pyrophoric in air [Bretherick 1979 p. 120]. What is the chemical formula for potassium sulfide? 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