Question
Question: An electric bulb was filled with 100 cc of argon gas (At. mass = 40) at 25°C and 1 atm pressure. The...
An electric bulb was filled with 100 cc of argon gas (At. mass = 40) at 25°C and 1 atm pressure. The number of atoms of argon present in the bulb is –
A
3.3 × 1024
B
2.5 × 1021
C
1.5 × 1024
D
6.02 × 1021
Answer
1.5 × 1024
Explanation
Solution
Mg3N2 + 3H2O ® 3Mg (OH)2 + 2NH3