Tuesday, December 15, 2009

A prodecure for making cortisone cream that the cream contains 200gm of mrystic acid per liter of cream made?

the percentage of mrystic acid is


a. 2%


b. 5%


c. 20%


d 0.5%


plz show me how u solve it.


thanksA prodecure for making cortisone cream that the cream contains 200gm of mrystic acid per liter of cream made?
Greetings,





The answer is c.





Recall that concentration mass/volume has the units grams per 100 mL





Then percentage m/v is





200g/1000mL *100% = 20/100 * 100% = 20%





Regards
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