3) 0.987 mol of potassium chlorate decompose into potassium chloride and oxygen, according to the following equation: KC

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3 0 987 Mol Of Potassium Chlorate Decompose Into Potassium Chloride And Oxygen According To The Following Equation Kc 1 (277.71 KiB) Viewed 53 times

3) 0.987 mol of potassium chlorate decompose into potassium chloride and oxygen, according to the following equation: KCIO3(s) - KClis+ O2() Calculate the moles of potassium chloride and the moles of oxygen that are formed 4) 0.25 mol of potassium nitrate is added to enough water to make a 175 mL solution. What is the molar concentration of potassium nitrate? 5) Calculate the mass (in grams) of sodium sulfide that is needed to make 350 mL of a 0.50 mol/L solution. 6) Identify the conjugate acid-base pairs in the following reaction: HAPO4(aq) + H2O + H2PO: (aq) + H, Oma) 7) 34.2 mL of 0.200 mol/L sulfuric acid neutralizes 23.8 mL of lithium hydroxide. Determine the concentration of the base. 8) When 15 mL of 0.20 mol/L potassium hydroxide is reacted with 25 mL of 0.20 mol/L hydrochloric acid. a) How many grams of salt are produced? b) What is the concentration of hydronium ions in the resulting solution? c) What is the pH of the resulting solution? d) What is the pow of the resulting solution? 9) Calculate the volume of water vapour that is produced from the combustion of 15.0g of ethylene at 25°C and 100 kPa. C. He + 30 200+ 2H2O