Calculate the number of moles and molecules of urea present in 5.6 g of urea.
Answers
Answered by
1
Answer:
Mass of Urea =
60
5.6
=0.0933 moles
Molecules = mole ×N
A
=0.0933×6.023×10
23
=0.5621×10
23
Answered by
1
Answer:
Molar mass of urea = 60g
No of moles = given mass/molar mass
= 5.6/60
=0.09 moles
No of molecules = Avogadro no * moles
= 6.022 * 10^23 * 0.09
= 0.56 *10^23 molecules are present
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