Pydrotinces comes in 50 mg/mL. A child is to get 2 mg. The volume in a miniscule of 0.04mL, which is really had to measure. Prepare a dilution so that final concentration is 5mg/mL. How much diluent well you need is the original products is 50mg/mL and you dilute the entire vial? what is the volume of the final bills to be measured?

2 answers

Hydrocortisone comes in 50 mg/mL. A child is to get 2 mg. The volume in a miniscule of 0.04mL, which is really had to measure. Prepare a dilution so that final concentration is 5mg/mL. How much diluent well you need is the original products is 50mg/mL and you dilute the entire vial? what is the volume of the final bills to be measured?
first, there is no such word as miniscule. It is minuscule, and it is an adjective, not a noun. I have no idea which word you intended.

you want to reduce the concentration by a factor of 10, so you need to increase the volume by a factor of 10.

Since the original volume is .04mL, you will need to have 0.4mL, or an increase of 0.36mL

So, since 2mg is 1/25 of the entire 50mg, ...