Question

At at a given temperature which of the following solution will have same osmotic pressure equal to that of 0.3 molar glucose solution
A) 0.1 M Na3[Co(NO2)6]
B) 0.1 M Na2[Co(H2O)(NO2)5]
C)0.1 M [Co(H2O)3(NO2)3]
D) 0.1 M Na[Co(H2O)2(NO2)4]

Answer 1

B....................

Answer 2

might be o.1 mole of Na2 (co(H20) N02)5