Answer :
The mass percentage of CACO3 in limestone is 70%.
Given:
Mass of limestone = 3.63 g
Mass of CACO3 = 2.54 g
To find:
Mass percentage of CACO3 in limestone
Solutions:
Mass percentage of CACO3 = (Mass of CACO3/ Total mass of Limestone) × 100
Mass percentage of CACO3 = (2.54/3.63) × 100
Mass percentage of CACO3 = 70%
Therefore, the mass percentage of CACO3 in limestone is 70%.
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