Two drugs are tested for acne-treatment. Drug A improves acne approximately 80% of the time, and Drug B improves acne approximately 85% of the time. Which statement about Drugs A and B is true?
(1)
A)
Drug B is more effective; no further information is needed.
B)
Drug A is more effective; no further information is needed.
c)
Drug B is more effective if the same number of participants were in the
studies for both Drug A and Drug B.
Drug B is more effective if there were a different number of participants in
the studies for both Drug A and Drug B.
D)

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.

65uuyhjghj8ykitdyidii

16

explanation:

the marks go by 4s