Question

a solution of 30g glucose is dissolved in 150 ml of solution calculation of concentration of solution

Answer 1

Here concentration of solution means Molarity
Molarity=moles/volume
where volume should be in litres
now we have molecular formula of glucose = C6H12O6
hence molecular weight of glucose = (12×6)+(12×1)+(16×6)=72+12+96=180g
as we know moles = given mass/molecular mass
moles=30/180
volume in litres = 150/1000L
now Molarity =M=(30/180)÷(150/1000)
M=(30/180)×(1000/150)=20/18=10/9
=1.1 M