Question

Students conduct an experiment in which steel wool is burned in a closed test tube. The steel wool reacts with an amount of oxygen equal to 1.43% of the mass of the steel wool. What is the correct value for the missing mass in the table?

Answer 1

The value of the mass in the missing table is 43.48 g. Since it is in a closed system, nothing would escape. The law of conservation of mass would state that the products mass would equal the reactants mass.

Answer 2

The answer is 43.48g