A student completed an experiment that compared the amount of nitrogen given to a
tomato plant to how many tomatoes the plant produced. Which of the following is the
best axis label and placement for the independent variable?
A
Amount of Nitrogen Given (in kilograms), x-axis
Amount of Nitrogen Given (in meters), v-axis
Amount of Tomatoes Produced (in kilograms), X-axis
D
Amount of Tomatoes Produced (in meters), y-axis

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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explanation:

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