Assume 340 gram of ammonia need to be produced
1.how many moles of hydrogen are needed
2.how many grams of nitrogen needed

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Solution

Dear student,
no. of moles of NH₃ = 340 / 17 = 20 moles
1. Now as for 1 mole of NH₃ there are 3 moles of H is required
so for 20 ,moles of NH₃ , 60 moles of H is required
2. for 20 moles of NH₃ , 20 moles of N is required
now mass of N = 20 x 14 = 280 gm
Regards

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