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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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jkim3464 jkim3464
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6 months ago
The recommended daily allowance (RDA) of calcium is 1.2 g.  Calcium carbonate contains 12.0% calcium by mass.  How many grams of calcium carbonate are needed to provide the RDA of calcium?


▸ 0.10 g

▸ 0.14 g

▸ 1.2 g

▸ 10 g

▸ 14 g
Textbook 
Chemistry

Chemistry


Edition: 11th
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elisebarnettelisebarnett
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6 months ago
Thank you, thank you, thank you!
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You make an excellent tutor!
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