If 5 moles of nitrogen are used how many moles NH3(g) are produced

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Explanation:

1 moles N2 you can produce 2 moles of NH3, (see equation)

5 mol N2 gives 10 mole NH3

molar mass of NH3 = 17.03 g/mole

10 moles NH3 is 10 * 17.03 gram = 170.3 gram NH3.

Balanced equation:

N2(g) + 3 H2(g) → 2 NH3(g)

the correct answer is:

a. formation of precipitation

the answer is c

tell me if wrong