The concentration of NaOH is 25.00% by mass, it means that 25.00% of the mass of the solution is of NaOH. Hence:
Reactants are the substance that undergo a change in a chemical reaction while products are what is produced after a reaction. don't have time to write a reaction.
~Hello there! ^_^
Your question: What form of waste cannot be recycled to make new products..?
Your answer: Food is a form of waste that cannot be recycled to make new products.
Happy Studying! =)