Based on law of conservation of matter, the mass of the sawdust will be the same.
According to the principle of conservation of matter, matter can neither be created nor destroyed but can converted from one form to another.
The mass of the wood before it is converted to sawdust = 2.5 kg
The of the sawdust will be the same as the mass of the wood = 2.5 kg
Thus, we can conclude that based on law of conservation of matter, the mass of the sawdust will be the same.
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