Question

What is the percentage of alcohol in the following prescription? Tincture A $110 \mathrm{~mL}$ (35\% alcohol) Tincture B $220 \mathrm{~mL}$ ( $25 \%$ alcohol) Tincture C $330 \mathrm{~mL}$ (20\% alcohol) Sig. $5 \mathrm{~mL}$ for cough.

Name: Problem 1, Chapter 7: Essential Math and Calculations for Pharmacy Technicians
Uploaded: 2020-04-10T20:11:06-08:00
Duration: 2 min 13 s
Channel: Ian Maurer
Description: What is the percentage of alcohol in the following prescription? Tincture A 110 mL (35% alcohol) Tincture B 220 mL ( 25 % alcohol) Tincture C 330 mL (20% alcohol) Sig. 5 mL for cough.

   What is the percentage of alcohol in the following prescription?
Tincture A $110 \mathrm{~mL}$ (35\% alcohol)
Tincture B $220 \mathrm{~mL}$ ( $25 \%$ alcohol)
Tincture C $330 \mathrm{~mL}$ (20\% alcohol)
Sig. $5 \mathrm{~mL}$ for cough.

Essential Math and Calculations for Pharmacy Technicians

Indra K. Reddy,… 1st Edition

Chapter 7, Problem 1

Instant Answer

Solved by Expert Ian Maurer

04/10/2020

Step 1

- Tincture A: $110 \mathrm{~mL} \times 0.35 = 38.5 \mathrm{~mL}$ of alcohol - Tincture B: $220 \mathrm{~mL} \times 0.25 = 55 \mathrm{~mL}$ of alcohol - Tincture C: $330 \mathrm{~mL} \times 0.20 = 66 \mathrm{~mL}$ of alcohol Show more…

Show all steps

Thanks for your feedback!

What is the percentage of alcohol in the following prescription? Tincture A $110 \mathrm{~mL}$ (35\% alcohol) Tincture B $220 \mathrm{~mL}$ ( $25 \%$ alcohol) Tincture C $330 \mathrm{~mL}$ (20\% alcohol) Sig. $5 \mathrm{~mL}$ for cough.

Play audio

Feedback

Ian Maurer and 69 other educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Percentage Calculation

Percentage calculation is a method used to express a part of a whole as a fraction of 100. This fundamental concept is crucial when determining the proportion of a particular substance within a mixture.

Weighted Average

Weighted average is a mathematical calculation where different values are multiplied by their respective weights before they are summed and divided by the total of the weights. This concept is especially important in problems where components contribute unequally to a final mixture or overall concentration.

Mixture Problems

Mixture problems involve combining various substances that contain specific concentrations of components. The goal is often to compute the overall concentration of the mixture by taking into account the contribution from each component based on its proportion and individual concentration.

Please give Ace some feedback