Oxygen can be produced in the laboratory by the following reaction: 2KClO3(s) 2KCl(s) + 3O2(g)
How many moles of potassium chlorate are needed to produce 2.75 L of oxygen,collected over water at 37 C and 94.9 kPa? The vapor pressure of water at 37 C is
6.28 kPa.
A) 0.142
B) 6.75 * 10-2
C) 7.20 * 10-2
D) 6.30 * 10-2
E) 0.189
Correct Answer:
Verified
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