Question

Q6 What is one atomic mass unit (amu) or Unified mass (U)?
07. Find the number of significant figures in 3.248x10"
08 Write the SI unit of molality
09 - What is the value of Avogadro constant?
Q10 - Empirical formula of an organic compound is C,H,O,. Its molecular weight is 118. Write its
molecular formula.
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Answer 1

Answer:

6= it is a unit of mass widely used in physics and chemistry. it defined as 1/12 of the mass of an unbound neutral atom of carbon-12 in its nuclear and electonic ground state at rest.

8=the si unit of molality is moles per kilogram of solvent. a solution with a molality of 3 mol/kg is pften described as 3 molam or 3 m....

9= 6.02214129(27)X 10 to the power 23 mole to the power-1...

hope this help...