Calculate molality of 2.5 g of ethanoic acid `(CH_3COOH)` in 75g benzene.

Calculate the mass of 2.5g atom of oxygen

The basicity of CH_3COOH is 4.

The freezing point of solution containing 0.2 g of acetic acid in 20.0 g of benzene is lowered by 0.45^(@)C . Calculate the degree of association of acetic acid in benzene. (K_(f)=5.12 K^(@) mol^(-1) kg^(-1))

The freezing point of a solution containing 0.3 g of acetic acid in 30.0 g of benzene is lowered by 0.45^@ . Calculate the Van's Hoff factor. (K_f for benzene=5.12K kg mol^-1) .

Calculate the molality of a solution containing 20.7g potassium carbonate dissolved in 500ml of solution (assume of density of solution = 1g/ml)

Calculate the molality of a solution containing 3g glucose dissolved in 30g of water. (molar mass of glucose = 180 )

The molecular formula of an organic acid is CH3COOH. what is its empirical formula .