Question

(b) Calculate the molecular mass of the following:
(i) (NH2)2CO2
(ii) Mg3N2
​

Answer 1

Answer:

i) 10006382 g

ii)2341698 g

Explanation:

i) 2×5003191

ii) 2×1170849

Answer 2

Answer:

Molar mass

Mg  

3

​  

N  

2

​  

=3×24+2×14=100gm/mole

(NH₂)₂CO

Molecular mass =

2 × 14 + 4 × 1 + 1 × 12 + 1 ×16

= 60 grams

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Explanation: