The empirical formula of a non-electrolyte is CH ₂ O . A solution containing 6 ~g of the compound exerts the same osmotic pressure as that of 0.05 M glucose solution at the same temperature. The molecular formula of the compound is

Step-by-step solution

Solutions having same osmotic pressure, at a given temperature, have same concentration. Concentration of compound = concentration of glucose aligned & 6 M 1 =0.05 & M = 6 0.05 =120 & Empirical formula mass ( CH ₂ O )=12+2+16 & n = molecular mass empirical formula mass &= 120 30 =4 aligned Hence, molecular formula = ( CH ₂ O )₄= C ₄ H ₈ O ₄