hitunglah kadar (%massa) glukosa dalam larutan glukosa 1 molal ( Mr glukosa= 18)

% massa = [ gr glukosa / ( gr glukosa + gr air ) ] x 100%
% massa = [ 9 / ( 9 + 50 ) ] x 100%
% massa = [ 9 / 59 ] x 100%
% massa = 0,1525 x 100%
% massa = 15, 25 %

cek gambar ....