What is the likely explanation to account for this sluggish reactivity of a marble chip, to a first approx. #CaCO_3#, with hydrochloric acid?
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1 Answer
Jun 15, 2016
See [here.](http://www.chemguide.co.uk/physical/basicrates/surfacearea.html)
Explanation:
As you realize, the marble powder should have reacted faster and more completely. The answer is likely that the residual marble powder was insufficiently dry, and occluded a significant mass of water, raising its apparent mass.
