Question:

The recommended daily allowance (RDA) of calcium is 1200 mg. ?

by Guest61745  |  earlier

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Calcium carbonate contains 12% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium?

a. 1.3 g

b. 1.4 g

c. 0.14 g

d. 10. g

e. 0.19 g

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