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melisa1 [442]
3 years ago
14

Ammonia, an important source of fixed nitrogen that can be metabolized by plants, is produced using the haber process in which n

itrogen and hydrogen combine. n2(g) + 3h2(g) = 2nh3(g) how many grams of nitrogen are needed to produce 325 grams of ammonia?
a.1070 g
b.535 g
c.267 g
d.178 g
e.108 g
Chemistry
1 answer:
jeyben [28]3 years ago
6 0
Hello!

This is the chemical reaction for the Haber Process:

N₂(g) + 3H₂(g) → 2NH₃(g)

From the chemical coefficients in this reaction and the molar masses, we can write the following conversion factor to calculate the grams of nitrogen that are needed to produce 325 grams of ammonia:

325gNH_3* \frac{1 mol}{17,031 g}* \frac{1 mol N_2}{2 moles NH_3}* \frac{28,0134 g N_2}{1 mol N_2}=267,29 g N_2

So, there are 267,29 g of N₂ required to produce 325 grams of ammonia.

Have a nice day!
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Solution:

As the relative lowering of vapor pressure is directly proportional to the amount of dissolved solute.

The formula for relative lowering of vapor pressure will be,

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w_2 = mass of solute  (sucrose) = 12.25 g

w_1 = mass of solvent  (water) = 176.3 g

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M_2 = molar mass of solute (sucrose) = 342.3 g/mole

Now put all the given values in this formula ,we get the vapor pressure of the solution.

\frac{23.76-p_s}{23.76}=\frac{12.25\times 18.02}{176.3\times 342.3}

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