The percent composition of a non ironic solute is 40%c 6.7%H and 53.3%O. If a solution containing 2.90g of this substance 106g of water freezes at 0.41°C Calculate the molecular formula of the substance

How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles

What must happen before a body cell can begin mitotic cell division

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.