Formaldehyde with Rose 37% & 4% Compound Question

by Alexander
(Minneapolis, MN, USA)

Formaldehyde with Rose Percentage Compound Question

Formaldehyde with Rose Percentage Compound Question

A prescription for 120 XML of. formaldehyde 8% with rose. The pharmacy has formaldehyde 37% and formaldehyde 4% with rose. How much of each ingredient is needed to make this compound?

Comments for Formaldehyde with Rose 37% & 4% Compound Question

Average Rating starstarstarstarstar

Click here to add your own comments

Rating
starstarstarstarstar
Alligation
by: Anonymous

Use Alligation:

so, 37 | | 8 - 4 = 4mL parts of 37%
| 8 |
4 | | 37 - 8= 29mL parts of 4%
-------------------
33 parts of 8%
x mL of 37% 4 mL of 37%
____________ = _____________
120 mL 33 mL of 8%

x= 14.51 mL of 37%

x mL of 4% 29 mL of 4%
____________ = ____________
120 mL 33 mL of 8%

x= 105.45 mL of 4%

Click here to add your own comments

Join in and write your own page! It's easy to do. How? Simply click here to return to Pharmacy Tech Math Questions.

Back to Home

[?]Subscribe To This Site
  • XML RSS
  • follow us in feedly
  • Add to My Yahoo!


Didn't find what you were looking for? Use the box below to search this entire site.

Custom Search


Recent Articles

  1. Is it a HIPPA Violation if my pharmacy gave my prescription to someone else with the same last name?

    Aug 20, 17 11:17 PM

    My pharmacy gave my prescription to another patient with the same last name. Isn't this a HIPPA violation?

    Read More

  2. My 10 yr olds prescription -- Is The Following Situation a HIPPA Violation?

    Aug 20, 17 10:46 PM

    I know someone who is a pharmacy tech. My 10yr.olds medication was called into the pharmacy she works at. Her daughter and my daughters have an on off

    Read More

  3. Day Supply Question: When figuring Days Supply, does the calculation include the day it is filled?

    Aug 20, 17 10:31 PM

    Does the day supply calculation include the first day a prescription is filled?

    Read More