If 50 grams of sodium reacts with chlorine to form 126 grams of salt. How many grams of chlorine reacted?
Answer
We know the reactants have to equal the products.
If the products weigh 126 g, then the reactants must weigh 126 g.
So far, we know we have 50 g of the 126 g. So 126 g – 50 g = 76 g of Cl2
Therefore 76 g of chlorine reacted.
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