(a) No.
Mass % = Mass of solute Mass of solute + Mass of solvent ×100
(b) Solution made by Ramesh
Mass % = 10/ 100 +10 x 100 = 10 /110 x100 = 9.09%
Solution made by Sarika
Mass % = 10 /100 ×100 = 10%
The solution prepared by Sarika has a higher mass % than that prepared by Ramesh.