Question

calculate the amount of glucose required to prepare 250 gram of 5% solution by mass

Answer 1

% m/m = amount of glucose / total mass of solution

5/100 = amount of glucose / 250

amount of glucose = 12.5 g

Answer 2

given,
amount of glucose = ?
amoubt to be made = 250 gm
solution by mass = 5%

5% of 250 = amount of glucose
5×250/100 = amount of glocuse
amount of glocuse = 12.5 grams