What mass of sucrose C12H22O11 ( table sugar, cane sugar, beet sugar or, usually, just sugar) must be added with 550 grams of H2O to prepare a solution with an osmotic pressure of 8.65 atm at the temperature of 295 Kelvin?
Determine the half- life, in hours of iodine-123 If the amount of radioactive Iodine-123 in a sample decreases from 0.4 grams to 0.1 grams in 26.4 hours?