The concentration of potassium ion in human blood cells variesover a healthy ran

Question

The concentration of potassium ion in human blood cells variesover a healthy range. If the concentration of K+ in ared blood cell were listed at 0.85µmol/mL, what would you report as the molarity and parts permillion?
molarity
____________ M
parts per million
_____________ ppm
The concentration of potassium ion in human blood cells variesover a healthy range. If the concentration of K+ in ared blood cell were listed at 0.85µmol/mL, what would you report as the molarity and parts permillion?
molarity
____________ M
parts per million
_____________ ppm

Explanation / Answer

         0.85 x 10-6 moles of K+ ions in 10-3 L .                                  M= (0.85 x 10-6) / 10-3                                                =0.85 x 10 -3 M          0.85x 10-6 mol of K+ions in 1 mL of solution 0.85 mol of K+ in106 mL solution ppm                 0.85 ppm                                                =0.85 x 10 -3 M          0.85x 10-6 mol of K+ions in 1 mL of solution 0.85 mol of K+ in106 mL solution ppm                 0.85 ppm

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