Question

1. Mg3N2 (s) + 6 H2O (l) → 2 NH3 (aq) + 3 Mg(OH)2 (s)
If 54.0 grams of water are mixed with excess magnesium nitride, then how many grams of ammonia are produced?
(A)153
(B)1.00
(C)17.0
(D)51.0
2. CH4 + 2 O2 → CO2 + 2 H2O is an example of
(A)Combustion
(B)Single Displacement Reaction
(C)Synthesis
(D)Double Displacement Reaction
3. Given the balanced equation:
NaOH + HCl → NaCl + H2O
What is the total number of grams of H2O produced when 116 g of NaCl is formed?
(round your answer to the nearest whole number)
(A)36 g
(B)18 g
(C)9 g
(D)54 g

Answer 1

Answer:

1.C)17.0

2.A)combustion

3.A)36g