Potassium chlorate on heating decomposes as follows: 2KClO3(s) → 2KCl(s) + 3O2(g)

Assuming 100% yield, calculate the mass of oxygen formed when 3.28 g of potassium chlorate is heated.

Select one:
A. 0.856 g
B. 2.57 g
C. 1.93 g
D. 1.28 g

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →