Steel is an alloy and consists of more than one element (mainly iron and carbon), therefore steel is a mixture.
Different isotopes have different "Mass" numbers.
We are given the chemical reaction and the amount of reactant used for the process. We use these data together to obtain what is asked. We do as as follows:
0.882 mol H2O2 ( 1 mol O2 / 2 mol H2O2 ) = 0.441 mol O2 produced
Hope this answers the question.
Answer:
B. Precipitation
Explanation:
Precipitation is the scientific term for rain