Se dispone de 300 g de una solución acuosa que contiene 60 g de NaCl. Calcular su concentración en: A- gramos de soluto por 100g de solución(%m/m)
B- gramos de soluto por 100g de solvente

Element before carbon on the periodic table

What type of energy conversion occurs when you place your feet near the fire place and they become warm

Time remaining 58: 10 an atom that has 84 protons and 86 neutrons undergoes a reaction. at the end of the reaction, it has 82 protons and 84 neutrons. what happened to the atom? it accepted radiation in a chemical reaction it donated neutrons to another atom in a chemical reaction it emitted an alpha particle in a nuclear reaction. it accepted protons in a nuclear reaction. mark this and retum save and exit next submit