Question

How many gram of Zn would be necessary to produce 534 grams of Fe by the sequence of reactions shown below?

Step 1 Zn + HCl ==> ZnCl2 + H2

Step 2 Fe2O3 + H2 ==> Fe + H2O

Answer 1

The forensic technician at a crime scene has just prepared a luminol stock solution by adding 19.0 of luminol to H2O creating a solution with a total volume of 75.0 mL.