An over-the-counter multi-vitamin has 250 mg tablets that are 15% calcium by mass. If you take...
An over-the-counter multi-vitamin has 250 mg tablets that are 15% calcium by mass. If you take 2 tablets, what mass of calcium have you ingested?
Homework Answers
Answer
75mg
Explanation
Mass of one tablet = 250mg
mass % of calcium in the tablet = 15%
mass of calcium in one tablet = (15/100)×250mg = 37.5mg
mass of calcium in two tablets = 2 × 37.5mg = 75mg
Therefore,
75mg of calcium ingested
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