02*10 to the 20 power molecule of urea present in 100ml of its solution.the concentration of solution us?
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1 mole urea contains 6.02×10^23 molecule
2×10^20 molecules contains 1/6.02×10^23×2×10^20
=1/3.01×10^-3
=0.33×10^-3mol
concentration=mol/vol
=0.33×10^-3×1000/100
=0.0033
2×10^20 molecules contains 1/6.02×10^23×2×10^20
=1/3.01×10^-3
=0.33×10^-3mol
concentration=mol/vol
=0.33×10^-3×1000/100
=0.0033
2Shashank1111:
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