Constants 1 Periodic Table Part E this video During the video, you\'ll be asked

Question

Constants 1 Periodic Table Part E this video During the video, you'll be asked a conceptual question about the video, answer the related questions at the right You can watch the video again at any point 2KCIOs(s) 2KCI(s) + 302(g) calculate how many grams of oxygen form when 83.6 kg KCIOs completely reacts g 02 For the reaction 2KCio,(s) 2KCI(s) + 302(g) calculate how many grams of oxygen form when 22.5 ng KCIO completely reacts Express your answers, separated by commas, in grams to three significant figures. g O2 OType here to search

Explanation / Answer

2KClO3 --------------------------------> 2 KCl + 3 O2

245 g 96 g

83.6 x 10^3 g ?

part E )

mass of O2 = 96 x 83.6 x 10^3 / 245

= 3.28 x 10^4 g

mass of O2 = 3.28 x 10^4 g

part F)

mass of O2 = 96 x 22.5 x 10^-3 / 245

= 8.82 x 10^-3 g

mass of O2 = 8.82 x 10^-3 g

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