18 gram glukosa(Mr=180) dilarutkan dalam 200 gram air.Tentukan molaritas larutan

dik Mr =180
w= 18 gram
p= 200 gram>200mL>0,2 L
M=…?
n glukosa= 18 gram/180 gram/mol
=0,1 mol
M = n/V
=0,1 / 0,2
=0,5 mol/L

Mol =gr/mr
=18/180 = 0,1