# Small quantities of oxygen gas are generated in the laboratory by the following reaction in the presence of MnO2:2KCLO3(s)——> 2KCl(s)+3O2(g)What volume of oxygen is collected over water @ 25 degrees C by reaction of 0.750 g potassium chlorate if the corrected barometric pressure is 0.996atm? (Vapor pressure of water at 25 degrees C is 23.8 torr)

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Small quantities of oxygen gas are generated in the laboratory by the following reaction in the presence of MnO2:

2KCLO3(s)——> 2KCl(s)+3O2(g)

What volume of oxygen is collected over water @ 25 degrees C by reaction of 0.750 g potassium chlorate if the corrected barometric pressure is 0.996atm? (Vapor pressure of water at 25 degrees C is 23.8 torr)

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Step 1

The given mass of potassium chlorate can be converted into moles:

Step 2

The moles of oxygen produced can be calculated as follows:

Step 3

The pressure of oxygen ca...

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