markysiamorton1 markysiamorton1

16-03-2017
Chemistry

contestada

How many grams of O2 are needed to react completely with 12.8 grams of K? (1 point) K + O2yields K2O Be sure to balance the equation.

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BbyGirl2017 BbyGirl2017

16-03-2017

balanced equation is 4K +02 ---->2K2O

1.3 grams of O2

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