B. To pack and store your model rocket, you need to find its volume in liters. You determine that your rocket can fit in a box that is 22 x
22 x 56 inches, which has a volume of 27,104 cubic inches. You use
a conversion calculator to find that this box can hold 117.33
gallons. But now you must convert the gallons to liters. Write the
correct conversion factor and find the volume of this box in liters.
(Hint: 1 gallon = 3.8 liters)

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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