Răspuns: 60 g zahar
Explicație pas cu pas:100ml...............60g;
deci 100 ml contin 60 g zahar
100 ml solutie sare.................10 g sare
50 ml solutie...........................x
x=50·10/100
x=5 g sare
100 ml tinctura...............5 g iod
200 ml tincura.................y
y=200·5/100
y=10 g iod
