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6.02 x 10²° molecules of urea are present in 100 mL of its solution. The concentration of the solution is
Options
(a) 0.01 M
(b) 0.001 M
(c) 0.1 M
(d) 0.02 M
Correct Answer:
0.01 M
Explanation:
M= (6.02 x 10²° x 1000) / (100 x 6.02 x 10²³)
=0.01 M
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ability of a given substance to assume two or more crystalline structure is
- The coordination number of a metal in coordination compounds is
- For the reaction C₂H₅OH + 3O₂(g) → 2CO₂(g) + 3H₂O which one is true
- Allergy is the state in which a person experiences
- In graphide electrons are
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Basic Concepts of Chemistry (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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