Which solution has the lower freezing point ? 10 g of methanol `( CH_3 OH_) ` in 100 g of water ( or ) 20 g of ethanol ` (CH_2 H_5OH) ` in 200 g of water

Explanation

` Delta T _ f =K_f m `
ie . `Delta T _ f alpha m `
` m_(CH_3-OH) ( (( 10 )/( 32) )/( 0.1 ) = 3.125 m `
` m_( C_2H_5 -OH) =(((20)/( 46))/( 0.2) = 2.174m `