Answer:
Q19. 45 tablets. Q20. 37.5 mg; Q21. 3750 mcg
Step-by-step explanation:
Question 19
Another name for allopurinol is Xyloprim.
(a) Find the total mass of the tablets
[tex]\text{Total mass} = \text{30 da} \times \dfrac{\text{150 mg}}{\text{1 da}} = \textbf{4500 mg}[/tex]
(b) Find the number of tablets
[tex]\text{No. of tablets} = \text{4500 mg} \times \dfrac{\text{1 tablet}}{\text{100 mg}} = \textbf{45 tablets}[/tex]
Question 20
Another name for conjugated estrogen is Premarin.
[tex]\text{Mass} = \text{30 da} \times \dfrac{\text{1 time}}{\text{1 da}} \times \dfrac{\text{1.25 mg}}{\text{1 time}} = \textbf{37.5 mg}[/tex]
Question 21
Another name for ergocalciferol is Vitamin D.
[tex]\text{Mass} = \text{15 da} \times \dfrac{\text{1 time}}{\text{1 da}} \times \dfrac{\text{250 mcg}}{\text{1 time}} = \textbf{3750 mcg}[/tex]
