The principle that requires that a chemical equation be balanced would be the law of definite proportions. It <span>states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation. Hope this answers the question.</span>
the answer is d hope this helps
the solid particles take up the intermolecular spaces in the liquid.
Answer:
Two solid powders are combined and shaken. The substances form a mixture.
