Aproduct advertised on television claims it can "erase skin blemishes and wrinkles in 90 days or your money back." the best way to increase the scientific reliability of this claim would be to have (1 point)

a famous actor or actress endorse the product.

an independent research organization test the product and record the results.

before and after pictures featured in the advertisement.

advertisements in well-respected beauty and fashion magazines.

The answer would be this: an independent research organization test the product and record the results.

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.

the ratio of the conjugate base to the acid required to attain the desired ph.