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What is the boiling point at sea level (1 atm pres) of a solution by dissolving 40.0 g of NaCl in 250.0 g of water? Kb for H2O is 0.510 °C/m? In Bohr atom when an electron jumps to the lowest energy level how much mass does it lose? How do you solve this? with steps pls? 1. What changes are made at the cellular level with lung cancer? 2. How does lung cancer affect the cell cycle? Find the limit without using l hopital s rule or power series. only algebra and trig identities limit x->0 (sin(3x)-3x)/x^3?