calcula la presion de vapor a 20 grados de 2 litros de una disolucion que cotiene glucosa en una cncentracion de 0,47 M y cuya D es igual a 1,026grml po a 20 grados centigrados= 17,546 mmhg AYUD!!!

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg