Hydrochloric acid solutions are often standardized by the reaction below. How many grams of CaCO3 are required to exactly react with 50.0 mL of 0.155 M HCl? 
A) 0.194 g
B) 0.283 g
C) 0.341 g
D) 0.387 g
E) 0.566 g
Correct Answer:
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