To obtain an isotonic media, sodium chloride content should be:

<p><span><span>a-0.58 g %</span></span></p> <p><span>b-0.085 g%</span></p> <p><span>c-8.5 g%</span></p> <p><span>d-6.5 g%</span></p> <p> </p> <p><span>e-0.50 g%</span></p>