Chemistry, 04.12.2020 14:00 krishawnnn

The nutritional recommended daily allowance (rda) of calcium is 1,300 mg for a 9-18-year-old. How many grams is this? How many atoms of calcium is this?

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The nutritional recommended daily allowance (rda) of calcium is 1,300 mg for a 9-18-year-old. How ma...