Lithium nitride reacts with water to produce ammonia and lithium hydroxide accor

Question

Lithium nitride reacts with water to produce ammonia and lithium hydroxide according to the equation, Li,N(s) +311,0(1) NH3(g) + 3 LiOH(aq) -> Heavy water is water with the isotope deuterium in place of ordinary hydrogen, and its formula is D2O. The above reaction can be used to produce heavy ammonia, ND3(g), according to the equation, Calculate how many grams of heavy water are required to produce 110.0 mg of NDs(g). The mass of deuterium, D, is 2.014 g/mol. Number g D,O Previous Give Up & View Solution Check Hint abous us car eers privacy policy terms of use contact us | help

Explanation / Answer

The balanced equation is

Li3N(s) + 3 D2O (l) -----------> ND3(g) + 3 LiOD(aq)

3 moles of D2O produce 1 moles of ND3 gas

Thus 20.042 g/mol of ND3 is produced from 3x20.028 g/mol of D2O

110.0mg = 110x10-3 g of ND3 is produced from = 110x10-3 g x 3x20.028 g/mol / 20.042 g/mol

= 329.77 x10-3 g of D2O

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