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CBSE Class 9 Answered

<div>How to calculate mass of 3 moles of NH3?</div>
Asked by stutagra | 09 Jun, 2016, 03:27: PM
Expert Answer
Mass of 1 mole of ammonia is molar mass of ammonia
Molar mass of ammonia = (atomic mass of N) + 3(atomic mass of H)
                               = 14 + (3×1)
                               = 17
Mass of 1 mole of ammonia is 17 g.
Hence, mass of 3 moles of ammonia = 3 × 17
                                                = 51 g 
Answered by Prachi Sawant | 10 Jun, 2016, 12:25: PM
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