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The USDA<span> Center for Nutrition Policy and Promotion.</span>
The correct answer is 500mg.
First convert the ratio strength to a percentage(0.2%).
Drug X accounts for 0.0396 g of NaCl.
It would require 0.54 g of NaCl if that was all we were using.
Lastly, 0.54 g - 0.0396 = ~ 0.5 g NaCl ( or 500 mg, rounded as per the instructions ).
People in this pandemic have lots on their mind these days. Causing people to stress, using stress management can give you ways to not feel it as often. People take it because they have more things to do and to pay for and that can really get to you at times. So having stress management classes can help clear your mind and be better.