Oxygen can be produced in the laboratory by the following reaction:
2KClO 3 (s)$\rightarrow$2KCl(s)+ 3O 2 (g)
How many moles of potassium chlorate are needed to produce 2.75 L of oxygen, Collected over water at 37 $\omicron $ C and 94.9 kPa? The vapor pressure of water at 37 $\omicron $ 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

Question

Oxygen can be produced in the laboratory by the following reaction:
2KClO 3 (s)$\rightarrow$2KCl(s)+ 3O 2 (g)
How many moles of potassium chlorate are needed to produce 2.75 L of oxygen, Collected over water at 37 $\omicron $ C and 94.9 kPa? The vapor pressure of water at 37 $\omicron $ 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

Quizplus · Accepted Answer

The Answer of Oxygen can be produced in the laboratory by the following reaction:
2KClO 3 (s)$\rightarrow$2KCl(s)+ 3O 2 (g)
How many moles of potassium chlorate are needed to produce 2.75 L of oxygen, Collected over water at 37 $\omicron $ C and 94.9 kPa? The vapor pressure of water at 37 $\omicron $ 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

Oxygen Can Be Produced in the Laboratory by the Following →\rightarrow→

Oxygen Can Be Produced in the Laboratory by the Following $\rightarrow$