Question

At 25°C, which 5.0 g Zn sample will react the fastest with dilute HCÚ?

A)
bar
B)
lump
C)
powdered
D)
sheet metal

Answer 1

powdered because it has more surface area which leads means there are more reactant particles exposed to collide, therefore the successful collision rate increases, resulting in an increased rate of reaction.

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