Question

How many molecules are in 10.8 grams of C12H22O11?

Answer 1

Answer:

Explanation:

To find the no. of molecules u need to multiply moles with Avogadro's number.And the formula for moles is:

moles= mass/molar mass

         = 10.8/C12H22O11

         = 10.8/270

         =0.04 moles

Now, for molecules

    molecules=moles*NA

                     = 0.04*6.02*10*23

                     =2.408*10*22 molecules