The Decomposition of Potassium Chlorate Student name: Team members: Date: Course

Question

The Decomposition of Potassium Chlorate Student name: Team members: Date: Course: Section: Instructor: Prelaboratory assignment 1. How will you measure the volume of the oxygen in this experiment? 2. A sample of helium is collected by displacing 145 mL of water. The pressures of the gas and the atmosphere are equalized using the method described in this experiment. The atmospheric The temperature of the water and that of the gas are identical at 26°C. How many moles of helium have been evolved? pressure is 745 mmHg.

Explanation / Answer

Answer:

In this experiment, a sample of Kclo3 is heated whose mass we already know, in the absence of the catalyst until the evolution of oxygen is complete, by the displacement of the water we will collect the o2 in a flask and the volume of water displaced will be equal to the volume of oxygen produced

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