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bigdammy2013

Answer:

Explanation:

No of molecules = 3.612*10(24)

Avogadro's number = 6.022*10(23)

no of moles = No of molecules/Avogadro's number

No of moles =3.612*10(24)/6.022*10(23)

No of moles = 6mol

Answer: 6 moles COCl2

Explanation: solution attached:

Use the relationship factor of 1 mole COCl2 / 6.022x10²³ molecules COCl2

3.612x10²⁴ molecules COCl2 x 1 mole COCl2 / 6.022x10²³ molecules COCl2

= 6 moles COCl2

Cancel out molecules of COCl2 so that the remaining unit is in moles of COCl2