Answer:
percentage yield =[ experimental yield / theoretical yield] x 100
Explanation:
Tobacco is the number one drug
Catalyst can speed up chemical reaction without being used up or involved in thr reaction..
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>
