An fm radio station found at 103.1 on the fm dial broadcasts at a frequency of 1.031 ã 108 sâ1 (103.1 mhz). what is the wavelength of these radio waves in meters? a) 2.908 m
b) 2908 m
c) 2.908 x 108 m

2.909m

Explanation:Please see attachment for explanation

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.

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