WebThe composition of a mixture of potassium chlorate and potassium chloride is to be determined. A 8.96 gram sample of the mixture is heated until the creation of oxygen gas stops. If the sample mass after heating is 7.89 grams, what is the percent by mass of potassium chlorate in the mixture? Report your answer with 3 significant figures. Question Web5 de jun. de 2012 · First calculate the molar mass of the potassium chlorate KClO3 K is 39.1, Cl is 35.45 and O is 16 x 3 =48 The molar mass for one mol is 122.55g/mol The percent composition is the part the oxygen ...
2.10: Percent Composition - Chemistry LibreTexts
WebCalculate the mass of potassium chlorate required to liberate 6.72 dm of oxygen at STP, X molar mass of potassium chlorate is 122.5 g/mol. (Ans 2.45g) Solve Study Textbooks Guides. Join / Login. Question . 2. Web2 de abr. de 2024 · The molar mass of Potassium is 39.098 g/mol. The molar mass of Chlorine is 35.45 g/mol. The molar mass of Oxygen is 15.999 g/mol. Now, to calculate … playtime dental mansfield ohio
Potassium Chlorate - Chemical Formula, Properties, Preparation …
WebThe molar mass of KClO3 (potassium chlorate) is: 122.5453 grams/mol. See also our theoretical yield calculator for chemical reactions (probably your next stop to finish the … WebTotal Mass. 122.5453. The molar mass of KClO3 (potassium chlorate) is: 122.5453 grams/mol. See also our theoretical yield calculator for chemical reactions (probably your next stop to finish the problem set). Web22 de sept. de 2024 · Thus, the theoretical mass percent of oxygen in potassium chlorate would be calculated using the expression: (5.4) Mass Percent of Oxygen (theoretical) = … playtime daycare irvine ky