Solutions Question 200

Question: 6.02×1020 molecules of urea are present in 100 ml of its solution. The concentration of urea solution is [AIEEE 2004]

Options:

A) 0.02 M

B) 0.01 M

C) 0.001 M

D) 0.1 M (Avogadro constant, NA=6.02×1023mol1)

Show Answer

Answer:

Correct Answer: B

Solution:

Mole of urea =6.02×10206.02×1023=103 moles Conc. of solution (in molarity)



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