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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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centromere centromere
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7 years ago
Calcium carbonate (CaCO3) is 34.5% Ca by mass. In a 418 g sample of CaCO3, how many grams of calcium are present?
A) 144 g
B) 40.08 g
C) 235.1 g
D) 83.6 g
Textbook 
Introductory Chemistry: Atoms First

Introductory Chemistry: Atoms First


Edition: 5th
Authors:
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maticsmatics
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centromere Author
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7 years ago
Calcium carbonate (CaCO3) is 34.5% Ca by mass. In a 518g sample of calcium carbonate, how many grams of calcium are present?
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