Question
If a multivitamin-syrup contains $1 / 2 \mathrm{mg}$ of riboflavin, $3 / 4 \mathrm{mg}$ of niacin, $3 / 5 \mathrm{mg}$ of pyridoxine and $1 / 6 \mathrm{mg}$ ascorbic acid, what is the total amount of vitamin in this preparation?
Step 1
- Riboflavin: $1/2 mg$ - Niacin: $3/4 mg$ - Pyridoxine: $3/5 mg$ - Ascorbic acid: $1/6 mg$ Show more…
Show all steps
Your feedback will help us improve your experience
Dharmendra Jain and 92 other educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin B2. The second powder is 15% vitamin B1 and 20% vitamin B2. How many milligrams of each powder should the pharmacist use to make a mixture that contains 70 mg of vitamin B1 and 180 mg of vitamin B2?
Calculate the amount (in mg) of riboflavin in 185 mL of a solution with a concentration of 0.350 mg/mL. _______mg The label on a bottle of multivitamin tablets states that one tablet contains 19.0 mg of thiamine. You weigh a tablet on a laboratory balance and determine that the mass is 0.845 g. What is the percentage (mass/mass) of thiamine in one tablet? (Hint: Make sure to convert your masses to the same unit.). _____ %
A doctor's prescription calls for the creation of pills that contain 12 units of vitamin $\mathrm{B}_{12}$ and 12 units of vitamin E. Your pharmacy stocks two powders that can be used to make these pills: One contains $20 \%$ vitamin $\mathrm{B}_{12}$ and $30 \%$ vitamin $\mathrm{E},$ the other $40 \%$ vitamin $\mathrm{B}_{12}$ and $20 \%$ vitamin E. How many units of each powder should be mixed in each pill?
Systems of Equations and Inequalities
Systems of Linear Equations: Substitution and Elimination
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD