Question

calculate number of moles in 20g glucose sample

Answer 1

Answer:

%w/w=msolutemsolution⋅100.

%w/w=20g 170g ⋅100=11.8%

20g ⋅1 mole glucose180.16g =0.111 moles glucose.

170g ⋅1 mL1.045g =162.7 mL.

150g ⋅1 mole water18.02g =8.24 moles water.

χsucrose=nsucrosentotal=0.111moles 8.351moles