The RDA of calcium for an adult is 1200 mg/day. Every milligram of a calcium carbonate tablet provides 0.4 mg of element...
The RDA of calcium for an adult is 1200 mg/day. Every milligram of a calcium carbonate tablet provides 0.4 mg of elemental calcium. How many 650-mg calcium carbonate tablets are needed to provide the RDA of calcium? Round off the answer upward to the nearest whole number.
Homework Answers
Ans) The RDA of calcium for an adult is 1200 mg/day. Every milligram of a calcium carbonate tablet provides 0.4 mg of elemental calcium. 650-mg calcium carbonate tablets are needed to provide the RDA of calcium.
650 × 0.4 = 260 mg
1200 mg= RDA
260 mg = 1
x= 1200/260 = 4.61 ~ 4.6 tablets
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