How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask CamilleRN Your Own Question
CamilleRN, Nurse (RN)
Category: Health
Satisfied Customers: 4183
Experience:  Experience: 20 yrs experience in ER, ICU, Neuro, OR, Chemo,Cardiology, Dermatology and MORE.
Type Your Health Question Here...
CamilleRN is online now
A new question is answered every 9 seconds

going crazy trying to figure out this pharmacy math problem

This answer was rated:

going crazy trying to figure out this pharmacy math problem and understand the idea behind answer

- how many ml of water do you add to 1 liter of a 1:200 solution to make a 1:4000 solution?
Hi and thank you for your question. I am a verified Expert and am happy to help you today. The math is done like this.... you divide 4000 by 200 and your answer is 20..... which will be The total amount of solution (20 liters)... you already had one, so the answer is that you add 19,000ml, which is19 liters times 1000
CamilleRN and 7 other Health Specialists are ready to help you