What mass of oxygen was collected
A sample of KClO3 was heated and 350. mL of O2 was collected over water. What mass of O2 was collected? Room T = 23°C, P =675. mmHg.
2 KClO3(s) ? 2 KCl(s) + 3 O2(g)
a. 0.012 gb. 0.40 gc. 0.25 gd. 1.2 g
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