The osmotic pressure (in atm) of an aqueous solution containing 0.01 mol of NaCl (degree of dissociation 0.94) and 0.03 mol of glucose in 500 mL at \(27^\circ\text{C}\) is \((R = 0.082\text{L atm K}^{-1}\text{mol}^{-1})\)
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Osmotic pressure is a colligative property. When multiple solutes are present, the pressures exerted by each are additive. \(\pi_{\text{mix}} = \pi_1 + \pi_2 + \dots = (\sum i_j C_j)RT\).