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Elisa adds blue food coloring to a beaker full of water. She watches as the food coloring slowly disperses throughout the water. Soon, it is evenly spread out, and the liquid in the beaker looks blue. Which statement describes what is happening in this sc...

1. 30 2. Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt. 3. Atoms can be rearranged during a chemical reaction but cannot be added or taken away. 4. The reaction produced a gas that escap...

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1. They get closer together. 2. The blue food coloring, the solute, is dissolving into the water, the solvent. 3. During diffusion, particles move from an area of high concentration to an area of low concentration. 4. Diffusion stops when particles are at...