If 250 g of calcium chlorate decomposes into calcium chloride and oxygen, what mass of oxygen would be produced?

→ +

115.95 g

Explanation:

The chemical reaction taking place is expressed as;

#Calculate the moles of calcium chlorate in the reaction given a molar mass of :

#The ratio of calcium chlorate to oxygen produced is 1:3.

#The molar mass of oxygen is given as 32. We therefore calculate the mass produced as:

Hence, the mass of oxygen produced is 115.95 g

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