NekoKyoto2114 NekoKyoto2114

13-05-2023
Chemistry

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Potassium chlorate (used in fireworks, flares and safety matches) forms oxygen and potassium chloride
when heated.
KClO3(s) → KCl(s) + O2(g)
How many grams of oxygen are formed when 26.4 g of potassium chlorate is heated?
A. 4.60 g
B. 6.86 g
C. 99.1 g
D. 10.3 g
E. 223 g

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