Chemistry

Brady Hoover

2 March, 22:53

A 5.0-gram sample of zinc and a 50.-milliliter sample of hydrochloric acid are used in a chemical reaction. Which combination of these samples has the fastest reaction rate?

(1) a zinc strip and 1.0 M HCl (aq)

(2) a zinc strip and 3.0 M HCl (aq)

(3) zinc powder and 1.0 M HCl (aq)

(4) zinc powder and 3.0 M HCl (aq)

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