jordanrussell3645 jordanrussell3645 22-02-2024 Chemistry contestada How many grams of sucrose must be added to 430. g of water to lower the vapor pressure by 1.40 torr at 25oC? The vapor pressure of H2O at 25oC is 23.8 mmHg, and molar mass of sucrose is 342.3 g/mol.