Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A mineral water sample was analyzed and found to contain 1 × 10 –3 % ammonia (w/w). The mole of dissolved ammonia gas in one liter water bottle is (d water ≈ 1 g/ml)
Text Solution
Verified by ExpertsThe correct answer is:
A
10 –3 g NH 3 in 100 g solution
one liter water has mass = 1000 × 1 g
As NH 3 is very less hence we can say
100 g water has 10 –3 g NH 3
∴ 1000 g water has = 
× 1000 g = 10 –2 g NH 3
= 
mole NH 3 = 5.88 × 10 –4 mole NH 3 .
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