Answer to Question #165116 in General Chemistry for Sage Topaz

Question #165116

Find the concentration of Calcium (in ppm and ppb) in a 3.5 g pill that contains 40.5 mg of Ca.

Expert's answer

40.5 mg = 0.045 g.

W%=0.045x100%/3.5 = 1,28571429%.

12 857,1429ppm. = 12 857 142,9 ppb

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